Merge branch 'rc' of github.com:duke-git/lancet into rc

Co-authored-by: Jiawen <im@linjiawen.com>

README.md

@@ -1125,6 +1125,10 @@ import "github.com/duke-git/lancet/v2/maputil"
 -   **<big>FindValuesBy</big>** : returns a slice of values from the map that satisfy the given predicate function.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/maputil.md#FindValuesBy)]
     [[play](https://go.dev/play/p/bvNwNBZDm6v)]
+-   **<big>ToMarkdownTable</big>** : Convert a map slice data to a Markdown table string. It supports custom header display names and column display order.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/maputil.md#ToMarkdownTable)]
+    [[play](https://go.dev/play/p/todo)]
+
 
 <h3 id="mathutil"> 13. Mathutil package implements some functions for math calculation. &nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">index</a></h3>
 
@@ -1461,6 +1465,9 @@ import "github.com/duke-git/lancet/v2/slice"
 -   **<big>ContainSubSlice</big>** : check if the slice contain a given subslice or not.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/slice.md#ContainSubSlice)]
     [[play](https://go.dev/play/p/bcuQ3UT6Sev)]
+-   **<big>ContainAny</big>** : check if the slice contains any element from the targets slice.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/slice.md#ContainAny)]
+    [[play](https://go.dev/play/p/4xoxhc9XSSw)]
 -   **<big>Chunk</big>** : creates a slice of elements split into groups the length of size.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/slice.md#Chunk)]
     [[play](https://go.dev/play/p/b4Pou5j2L_C)]
@@ -1819,30 +1826,50 @@ import "github.com/duke-git/lancet/v2/structs"
 
 -   **<big>New</big>** : creates a `Struct` instance.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/struct.md#New)]
+    [[play](https://go.dev/play/p/O29l8kk-Z17)]
 -   **<big>ToMap</big>** : converts a valid struct to a map.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/struct.md#ToMap)]
+    [[play](https://go.dev/play/p/qQbLySBgerZ)]
 -   **<big>Fields</big>** : get all fields of a given struct, that the fields are abstract struct field.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/struct.md#Fields)]
+    [[play](https://go.dev/play/p/w3Kk_CyVY7D)]
+-   **<big>Field</big>** : get an abstract field of a struct by given field name
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/struct.md#Field)]
+    [[play](https://go.dev/play/p/KocZMSYarza)]
 -   **<big>IsStruct</big>** : check if the struct is valid.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/struct.md#IsStruct)]
+    [[play](https://go.dev/play/p/bU2FSdkbK1C)]
 -   **<big>Tag</big>** : get a `Tag` of the `Field`, `Tag` is a abstract struct field tag.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/struct.md#Tag)]
+    [[play](https://go.dev/play/p/DVrx5HvvUJr)]
 -   **<big>Name</big>** : get the field name.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/struct.md#Name)]
+    [[play](https://go.dev/play/p/zfIGlqsatee)]
 -   **<big>Value</big>** : get the `Field` underlying value.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/struct.md#Value)]
+    [[play](https://go.dev/play/p/qufYEU2o4Oi)]
 -   **<big>Kind</big>** : get the field's kind.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/struct.md#Kind)]
+    [[play](https://go.dev/play/p/wg4NlcUNG5o)]
 -   **<big>IsEmbedded</big>** : check if the field is an embedded field.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/struct.md#IsEmbedded)]
+    [[play](https://go.dev/play/p/wV2PrbYm3Ec)]
 -   **<big>IsExported</big>** : check if the field is exported.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/struct.md#IsExported)]
+    [[play](https://go.dev/play/p/csK4AXYaNbJ)]
 -   **<big>IsZero</big>** : check if the field is zero value.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/struct.md#IsZero)]
+    [[play](https://go.dev/play/p/RzqpGISf87r)]
 -   **<big>IsSlice</big>** : check if the field is a slice.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/struct.md#IsSlice)]
+    [[play](https://go.dev/play/p/MKz4CgBIUrU)]
 -   **<big>IsTargetType</big>** : check if the field is target type.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/struct.md#IsTargetType)]
+    [[play](https://go.dev/play/p/Ig75P-agN39)]
+-   **<big>TypeName</big>** : Return struct type name.
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/struct.md#TypeName)]
+    [[play](https://go.dev/play/p/todo)]
+
 
 <h3 id="strutil"> 21. Strutil package contains some functions to manipulate string. &nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">index</a></h3>
 
@@ -2301,6 +2328,12 @@ import "github.com/duke-git/lancet/v2/validator"
 -   **<big>IsChinaUnionPay</big>** : check if a give string is a valid china union pay number or not.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/validator.md#IsChinaUnionPay)]
     [[play](https://go.dev/play/p/yafpdxLiymu)]
+-   **<big>IsPassport</big>** : Passport validation(using regex).
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/validator.md#IsPassport)]
+    [[play](https://go.dev/play/p/todo)]
+-   **<big>IsChineseHMPassport</big>** : Mainland travel permit for Hong Kong, Macao validation (using regex). 
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/validator.md#IsChineseHMPassport)]
+    [[play](https://go.dev/play/p/todo)]
 
 <h3 id="xerror"> 25. Xerror package implements helpers for errors. &nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">index</a></h3>
 

README_zh-CN.md

@@ -1135,6 +1135,9 @@ import "github.com/duke-git/lancet/v2/maputil"
 -   **<big>FindValuesBy</big>** : 返回一个切片，包含满足给定谓词判断函数的 map 中的值。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/maputil.md#FindValuesBy)]
     [[play](https://go.dev/play/p/bvNwNBZDm6v)]
+-   **<big>ToMarkdownTable</big>** : 将一个 map 切片数据转换为 Markdown 表格字符串。支持自定义表头显示名称和列的显示顺序。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/maputil.md#ToMarkdownTable)]
+    [[play](https://go.dev/play/p/todo)]
 
 <h3 id="mathutil"> 14. mathutil 包实现了一些数学计算的函数。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>
 
@@ -1468,6 +1471,9 @@ import "github.com/duke-git/lancet/v2/slice"
 -   **<big>ContainSubSlice</big>** : 判断 slice 是否包含 subslice。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#ContainSubSlice)]
     [[play](https://go.dev/play/p/bcuQ3UT6Sev)]
+-   **<big>ContainAny</big>** : 判断 slice 是否包含 targets 切片中的任意一个元素。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#ContainAny)]
+    [[play](https://go.dev/play/p/4xoxhc9XSSw)]
 -   **<big>Chunk</big>** : 按照 size 参数均分 slice。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#Chunk)]
     [[play](https://go.dev/play/p/b4Pou5j2L_C)]
@@ -1825,32 +1831,50 @@ import "github.com/duke-git/lancet/v2/structs"
 
 -   **<big>New</big>** : `Struct`结构体的构造函数。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/struct.md#New)]
+    [[play](https://go.dev/play/p/O29l8kk-Z17)]
 -   **<big>ToMap</big>** : 将一个合法的 struct 对象转换为 map[string]any。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/struct.md#ToMap)]
+    [[play](https://go.dev/play/p/qQbLySBgerZ)]
 -   **<big>Fields</big>** : 获取一个 struct 对象的属性列表。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/struct.md#Fields)]
+    [[play](https://go.dev/play/p/w3Kk_CyVY7D)]
 -   **<big>Field</big>** : 根据属性名获取一个 struct 对象的属性。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/struct.md#Fields)]
+    [[play](https://go.dev/play/p/KocZMSYarza)]
 -   **<big>IsStruct</big>** : 判断是否为一个合法的 struct 对象。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/struct.md#IsStruct)]
+    [[play](https://go.dev/play/p/bU2FSdkbK1C)]
 -   **<big>Tag</big>** : 获取`Field`的`Tag`，默认的 tag key 是 json。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/struct.md#Tag)]
+    [[play](https://go.dev/play/p/DVrx5HvvUJr)]
 -   **<big>Name</big>** : 获取属性名。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/struct.md#Name)]
+    [[play](https://go.dev/play/p/zfIGlqsatee)]
 -   **<big>Value</big>** : 获取`Field`属性的值。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/struct.md#Value)]
+    [[play](https://go.dev/play/p/qufYEU2o4Oi)]
 -   **<big>Kind</big>** : 获取属性 Kind。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/struct.md#Kind)]
+    [[play](https://go.dev/play/p/wg4NlcUNG5o)]
 -   **<big>IsEmbedded</big>** : 判断属性是否为嵌入。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/struct.md#IsEmbedded)]
+    [[play](https://go.dev/play/p/wV2PrbYm3Ec)]
 -   **<big>IsExported</big>** : 判断属性是否导出。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/struct.md#IsExported)]
+    [[play](https://go.dev/play/p/csK4AXYaNbJ)]
 -   **<big>IsZero</big>** : 判断属性是否为零值。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/struct.md#IsZero)]
+    [[play](https://go.dev/play/p/RzqpGISf87r)]
 -   **<big>IsSlice</big>** : 判断属性是否是切片。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/struct.md#IsSlice)]
+    [[play](https://go.dev/play/p/MKz4CgBIUrU)]
 -   **<big>IsTargetType</big>** : 判断属性是否是目标类型。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/struct.md#IsTargetType)]
+    [[play](https://go.dev/play/p/Ig75P-agN39)]
+-   **<big>TypeName</big>** : 获取结构体类型名。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/struct.md#TypeName)]
+    [[play](https://go.dev/play/p/todo)]
+
 
 <h3 id="strutil"> 22. strutil 包含字符串处理的相关函数。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>
 
@@ -2310,7 +2334,12 @@ import "github.com/duke-git/lancet/v2/validator"
 -   **<big>IsChinaUnionPay</big>** : 检查字符串是否是有效的中国银联卡号。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/validator.md#IsChinaUnionPay)]
     [[play](https://go.dev/play/p/yafpdxLiymu)]
-
+-   **<big>IsPassport</big>** : 判断护照(正则判断)。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/validator.md#IsPassport)]
+    [[play](https://go.dev/play/p/todo)]
+-   **<big>IsChineseHMPassport</big>** : 判断港澳台通行证(正则判断)。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/validator.md#IsChineseHMPassport)]
+    [[play](https://go.dev/play/p/todo)]
 <h3 id="xerror"> 26. xerror 包实现一些错误处理函数。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>
 
 ```go

convertor/convertor.go

@@ -228,6 +228,42 @@ func ToPointer[T any](value T) *T {
 	return &value
 }
 
+// ToPointers convert a slice of values to a slice of pointers.
+// Play: todo
+func ToPointers[T any](values []T) []*T {
+	result := make([]*T, len(values))
+	for i := range values {
+		result[i] = &values[i]
+	}
+	return result
+}
+
+// FromPointer returns the value pointed to by the pointer.
+// Play: todo
+func FromPointer[T any](ptr *T) T {
+	if ptr == nil {
+		var zeroValue T
+		return zeroValue
+	}
+
+	return *ptr
+}
+
+// FromPointers convert a slice of pointers to a slice of values.
+// Play: todo
+func FromPointers[T any](pointers []*T) []T {
+	result := make([]T, len(pointers))
+	for i, ptr := range pointers {
+		if ptr == nil {
+			var zeroValue T
+			result[i] = zeroValue
+		} else {
+			result[i] = *ptr
+		}
+	}
+	return result
+}
+
 // ToMap convert a slice of structs to a map based on iteratee function.
 // Play: https://go.dev/play/p/tVFy7E-t24l
 func ToMap[T any, K comparable, V any](array []T, iteratee func(T) (K, V)) map[K]V {
@@ -406,15 +442,15 @@ func ToStdBase64(value any) string {
 	if value == nil || (reflect.ValueOf(value).Kind() == reflect.Ptr && reflect.ValueOf(value).IsNil()) {
 		return ""
 	}
-	switch value.(type) {
+	switch v := value.(type) {
 	case []byte:
-		return base64.StdEncoding.EncodeToString(value.([]byte))
+		return base64.StdEncoding.EncodeToString(v)
 	case string:
-		return base64.StdEncoding.EncodeToString([]byte(value.(string)))
+		return base64.StdEncoding.EncodeToString([]byte(v))
 	case error:
-		return base64.StdEncoding.EncodeToString([]byte(value.(error).Error()))
+		return base64.StdEncoding.EncodeToString([]byte(v.Error()))
 	default:
-		marshal, err := json.Marshal(value)
+		marshal, err := json.Marshal(v)
 		if err != nil {
 			return ""
 		}
@@ -428,15 +464,15 @@ func ToUrlBase64(value any) string {
 	if value == nil || (reflect.ValueOf(value).Kind() == reflect.Ptr && reflect.ValueOf(value).IsNil()) {
 		return ""
 	}
-	switch value.(type) {
+	switch v := value.(type) {
 	case []byte:
-		return base64.URLEncoding.EncodeToString(value.([]byte))
+		return base64.URLEncoding.EncodeToString(v)
 	case string:
-		return base64.URLEncoding.EncodeToString([]byte(value.(string)))
+		return base64.URLEncoding.EncodeToString([]byte(v))
 	case error:
-		return base64.URLEncoding.EncodeToString([]byte(value.(error).Error()))
+		return base64.URLEncoding.EncodeToString([]byte(v.Error()))
 	default:
-		marshal, err := json.Marshal(value)
+		marshal, err := json.Marshal(v)
 		if err != nil {
 			return ""
 		}
@@ -450,7 +486,7 @@ func ToRawStdBase64(value any) string {
 	if value == nil || (reflect.ValueOf(value).Kind() == reflect.Ptr && reflect.ValueOf(value).IsNil()) {
 		return ""
 	}
-	switch value.(type) {
+	switch v := value.(type) {
 	case []byte:
 		return base64.RawStdEncoding.EncodeToString(value.([]byte))
 	case string:
@@ -458,7 +494,7 @@ func ToRawStdBase64(value any) string {
 	case error:
 		return base64.RawStdEncoding.EncodeToString([]byte(value.(error).Error()))
 	default:
-		marshal, err := json.Marshal(value)
+		marshal, err := json.Marshal(v)
 		if err != nil {
 			return ""
 		}
@@ -472,7 +508,7 @@ func ToRawUrlBase64(value any) string {
 	if value == nil || (reflect.ValueOf(value).Kind() == reflect.Ptr && reflect.ValueOf(value).IsNil()) {
 		return ""
 	}
-	switch value.(type) {
+	switch v := value.(type) {
 	case []byte:
 		return base64.RawURLEncoding.EncodeToString(value.([]byte))
 	case string:
@@ -480,7 +516,7 @@ func ToRawUrlBase64(value any) string {
 	case error:
 		return base64.RawURLEncoding.EncodeToString([]byte(value.(error).Error()))
 	default:
-		marshal, err := json.Marshal(value)
+		marshal, err := json.Marshal(v)
 		if err != nil {
 			return ""
 		}

convertor/convertor_test.go

@@ -302,6 +302,75 @@ func TestToPointer(t *testing.T) {
 	assert.Equal(*result, 123)
 }
 
+func TestToPointers(t *testing.T) {
+	t.Parallel()
+
+	assert := internal.NewAssert(t, "TestToPointers")
+
+	intVals := []int{1, 2, 3}
+	result := ToPointers(intVals)
+
+	assert.Equal(3, len(result))
+	assert.Equal(1, *result[0])
+	assert.Equal(2, *result[1])
+	assert.Equal(3, *result[2])
+
+	stringVals := []string{"a", "b", "c"}
+	resultStr := ToPointers(stringVals)
+	assert.Equal(3, len(resultStr))
+	assert.Equal("a", *resultStr[0])
+	assert.Equal("b", *resultStr[1])
+	assert.Equal("c", *resultStr[2])
+}
+
+func TestFromPointer(t *testing.T) {
+	t.Parallel()
+
+	assert := internal.NewAssert(t, "TestFromPointer")
+
+	intVal := 123
+	pointer := &intVal
+	result := FromPointer(pointer)
+
+	assert.Equal(123, result)
+
+	stringVal := "abc"
+	stringPointer := &stringVal
+	resultStr := FromPointer(stringPointer)
+
+	assert.Equal("abc", resultStr)
+}
+
+func TestFromPointers(t *testing.T) {
+	t.Parallel()
+
+	assert := internal.NewAssert(t, "TestFromPointers")
+
+	intPointers := []*int{new(int), new(int), new(int)}
+	*intPointers[0] = 1
+	*intPointers[1] = 2
+	*intPointers[2] = 3
+
+	result := FromPointers(intPointers)
+
+	assert.Equal(3, len(result))
+	assert.Equal(1, result[0])
+	assert.Equal(2, result[1])
+	assert.Equal(3, result[2])
+
+	stringPointers := []*string{new(string), new(string), new(string)}
+	*stringPointers[0] = "a"
+	*stringPointers[1] = "b"
+	*stringPointers[2] = "c"
+
+	resultStr := FromPointers(stringPointers)
+
+	assert.Equal(3, len(resultStr))
+	assert.Equal("a", resultStr[0])
+	assert.Equal("b", resultStr[1])
+	assert.Equal("c", resultStr[2])
+}
+
 func TestEncodeByte(t *testing.T) {
 	t.Parallel()
 

cryptor/rsa_private_example.pem

@@ -1,51 +1,51 @@
 -----BEGIN rsa private key-----
-MIIJKAIBAAKCAgEAw0anfgtraA2uaZwoLpLBvo1EkfYvDBgeXoMQ4WMKbcw6jU8k
-18E+f3WM52I2RssEk6g0X1vIiarHZU5qyxbv2iNoT7EfgizzlXYvx06pM69GNBQr
-V46+lNhiOv4eeLZcOHBnxAyizlIKyLuwO+C1cX/6BxuXjX3ogw+6IaBFZN/EOMmT
-Wc6sPKrnNCEqgCNiTbPAXb+N8j5Iv8QPs0AwVTB3jC9LP0mRt2GGD0cu+QIZkoGE
-hyW9Dd+0tgeIK32uXCF8uDjNpUV1TxCdn5H+lvgddxfiaIJAdY5UaTx48XRIdULh
-QrVKXJNyTYWTXbezViYIf1nXOdDI2hsGgKTfNVCocDT1LcT5zebijFHVCWfAAKEP
-RLdzPZomkFIa3rQQgChgePzE8Oqsaxuwx8sU09NAo3giSq1OmBBwly7h60Lwtm8+
-XuwmWtEgZoSQy2Hm8UMAJ3guotfYuS8mPQBi55JZpdqVN0D5SdwuWXhHpO4xDodN
-YAoMMei1NNgrX2zN3FCS8PVi97wD6cQ8xsWM62nByrzIjmPwTfoCb3qP/928FMJM
-g7b3bYBrUnOrpVWZfAIDs4H7DoP8VLL4rMgB5PuWNQ13gtX7y5ZOyLhopiKLnar9
-XiN8GAMANBdKRI2anGEozrfJoelJ5POXZwSatRjbL+nWO3YnBzEunCw1xmMCAwEA
-AQKCAgBAYYABP3SW5sPVD+XzjPERiPPNh7P1MdJ5aI7dMFEU6Bt50VkdRRn83d2p
-v6iTaIXGxNMXiWQxdzusO9FbyeEkMz5F3+i6e2WHpmKUPGvunV/w9aFgibBt1HV2
-a6fSNpVrCiw758qZaVUi3zZ4V1qa5A2j4EX0IUnSRBIi2ftnCZtg+Zx6JHiGu/Xk
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+9MAghroYilaN7RtA4tmXLb9d0LBxHzYpyANNlpCSRvDoJsLgPSbrvwbkjAlL
 -----END rsa private key-----

cryptor/rsa_public_example.pem

@@ -1,14 +1,14 @@
 -----BEGIN rsa public key-----
-MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAw0anfgtraA2uaZwoLpLB
-vo1EkfYvDBgeXoMQ4WMKbcw6jU8k18E+f3WM52I2RssEk6g0X1vIiarHZU5qyxbv
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-tRjbL+nWO3YnBzEunCw1xmMCAwEAAQ==
+MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAv25yPU83rpR+acaNoyEO
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+9m4Oshu7snkYgwB4Cd+bVqS8z9vW+brXtP6ZZTJls6pBX4FFukNkCUgiNBuUVDO0
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+RUB4dW1vHqn/UxhcWHrLhJsCAwEAAQ==
 -----END rsa public key-----

docs/.vitepress/en.ts

@@ -114,6 +114,7 @@ export const enConfig: LocaleSpecificConfig<DefaultTheme.Config> = {
                             ],
                         },
                         { text: 'datetime', link: '/en/api/packages/datetime' },
+                        { text: 'enum', link: '/en/api/packages/enum' },
                         { text: 'eventbus', link: '/en/api/packages/eventbus' },
                         { text: 'fileutil', link: '/en/api/packages/fileutil' },
                         { text: 'formatter', link: '/en/api/packages/formatter' },
@@ -128,9 +129,9 @@ export const enConfig: LocaleSpecificConfig<DefaultTheme.Config> = {
                         { text: 'stream', link: '/en/api/packages/stream' },
                         { text: 'struct', link: '/en/api/packages/struct' },
                         { text: 'strutil', link: '/en/api/packages/strutil' },
-                        { text: 'system', link: '/en/api/packages/system' },
                         { text: 'tuple', link: '/en/api/packages/tuple' },
                         { text: 'validator', link: '/en/api/packages/validator' },
+                        { text: 'system', link: '/en/api/packages/system' },
                         { text: 'xerror', link: '/en/api/packages/xerror' },
                     ],
                 },

docs/.vitepress/zh.ts

@@ -128,7 +128,7 @@ export const zhConfig: LocaleSpecificConfig<DefaultTheme.Config> = {
                         },
                         { text: '日期&时间', link: '/api/packages/datetime' },
                         { text: '事件总线', link: '/api/packages/eventbus' },
-                        { text: '文件', link: '/api/packages/fileutil' },
+                        { text: '文件处理', link: '/api/packages/fileutil' },
                         { text: '格式化工具', link: '/api/packages/formatter' },
                         { text: '函数', link: '/api/packages/function' },
                         { text: '数学工具', link: '/api/packages/mathutil' },
@@ -141,9 +141,10 @@ export const zhConfig: LocaleSpecificConfig<DefaultTheme.Config> = {
                         { text: '流', link: '/api/packages/stream' },
                         { text: '结构体', link: '/api/packages/struct' },
                         { text: '字符串', link: '/api/packages/strutil' },
-                        { text: '系统', link: '/api/packages/system' },
+                        { text: '枚举', link: '/api/packages/enum' },
                         { text: '元组', link: '/api/packages/tuple' },
                         { text: '验证器', link: '/api/packages/validator' },
+                        { text: '系统工具函数', link: '/api/packages/system' },
                         { text: '错误处理', link: '/api/packages/xerror' },
                     ],
                 },

docs/api/overview.md

@@ -46,6 +46,7 @@ outline: deep
         <div class="package-cell">cryptor</div>
         <div class="package-cell">datastructure</div>
         <div class="package-cell">datetime</div>
+        <div class="package-cell">enum</div>
         <div class="package-cell">eventbus</div>
         <div class="package-cell">fileutil</div>
         <div class="package-cell">formatter</div>

docs/api/packages/enum.md

@@ -0,0 +1,850 @@
+# Enum
+
+Enum实现一个简单枚举工具包。
+
+<div STYLE="page-break-after: always;"></div>
+
+## 源码:
+
+- [https://github.com/duke-git/lancet/blob/main/enum/enum.go](https://github.com/duke-git/lancet/blob/main/enum/enum.go)
+
+<div STYLE="page-break-after: always;"></div>
+
+## 用法:
+
+```go
+import (
+    "github.com/duke-git/lancet/v2/enum"
+)
+```
+
+<div STYLE="page-break-after: always;"></div>
+
+## 目录
+
+-   [NewItem](#NewItem)
+-   [NewItemsFromPairs](#NewItemsFromPairs)
+-   [Value](#Value)
+-   [Name](#Name)
+-   [Valid](#Valid)
+-   [MarshalJSON](#MarshalJSON)
+-   [NewRegistry](#NewRegistry)
+-   [Add](#Add)
+-   [Remove](#Remove)
+-   [Update](#Update)
+-   [GetByValue](#GetByValue)
+-   [GetByName](#GetByName)
+-   [Items](#Items)
+-   [Contains](#Contains)
+-   [Size](#Size)
+-   [Range](#Range)
+-   [SortedItems](#SortedItems)
+-   [Filter](#Filter)
+
+<div STYLE="page-break-after: always;"></div>
+
+## 文档
+
+### <span id="NewItem">NewItem</span>
+
+<p>创建枚举项。</p>
+
+<b>函数签名:</b>
+
+```go
+func NewItem[T comparable](value T, name string) *Item[T]
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    item1 := enum.NewItem(Active, "Active")
+    item2 := enum.NewItem(Inactive, "Inactive")
+
+    fmt.Println(item1.Name(), item1.Value())
+    fmt.Println(item2.Name(), item2.Value())
+
+    // Output:
+    // Active 1
+    // Inactive 2
+}
+```
+
+### <span id="NewItemsFromPairs">NewItemsFromPairs</span>
+
+<p>从Pair结构体的切片创建枚举项。</p>
+
+<b>函数签名:</b>
+
+```go
+func NewItemsFromPairs[T comparable](pairs ...Pair[T]) []*Item[T]
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    items := enum.NewItemsFromPairs(
+        enum.Pair[Status]{Value: Active, Name: "Active"},
+        enum.Pair[Status]{Value: Inactive, Name: "Inactive"},
+    )
+
+    fmt.Println(items[0].Name(), items[0].Value())
+    fmt.Println(items[1].Name(), items[1].Value())
+
+    // Output:
+    // Active 1
+    // Inactive 2
+}
+```
+
+### <span id="Value">Value</span>
+
+<p>返回枚举项的值。</p>
+
+<b>函数签名:</b>
+
+```go
+func (it *Item[T]) Value() T
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    items := enum.NewItemsFromPairs(
+        enum.Pair[Status]{Value: Active, Name: "Active"},
+        enum.Pair[Status]{Value: Inactive, Name: "Inactive"},
+    )
+
+    fmt.Println(items[0].Name(), items[0].Value())
+    fmt.Println(items[1].Name(), items[1].Value())
+
+    // Output:
+    // Active 1
+    // Inactive 2
+}
+```
+
+### <span id="Name">Name</span>
+
+<p>返回枚举项的名称。</p>
+
+<b>函数签名:</b>
+
+```go
+func (it *Item[T]) Name() string
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    items := enum.NewItemsFromPairs(
+        enum.Pair[Status]{Value: Active, Name: "Active"},
+        enum.Pair[Status]{Value: Inactive, Name: "Inactive"},
+    )
+
+    fmt.Println(items[0].Name(), items[0].Value())
+    fmt.Println(items[1].Name(), items[1].Value())
+
+    // Output:
+    // Active 1
+    // Inactive 2
+}
+```
+
+### <span id="Valid">Valid</span>
+
+<p>检查枚举项是否有效。如果提供了自定义检查函数，将使用该函数验证值。</p>
+
+<b>函数签名:</b>
+
+```go
+func (it *Item[T]) Valid(checker ...func(T) bool) bool
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    item := enum.NewItem(Active, "Active")
+    fmt.Println(item.Valid())
+
+    invalidItem := enum.NewItem(Unknown, "")
+    fmt.Println(invalidItem.Valid())
+
+    // Output:
+    // true
+    // false
+}
+```
+
+### <span id="MarshalJSON">MarshalJSON</span>
+
+<p>枚举项实现json.Marshaler 接口。</p>
+
+<b>函数签名:</b>
+
+```go
+func (it *Item[T]) MarshalJSON() ([]byte, error)
+func (it *Item[T]) UnmarshalJSON(data []byte) error
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    item := enum.NewItem(Active, "Active")
+    data, _ := item.MarshalJSON()
+    fmt.Println(string(data))
+
+    var unmarshaledItem Item[Status]
+    _ = unmarshaledItem.UnmarshalJSON(data)
+    fmt.Println(unmarshaledItem.Name(), unmarshaledItem.Value())
+
+    // Output:
+    // {"name":"Active","value":1}
+    // Active 1
+}
+```
+
+### <span id="NewRegistry">NewRegistry</span>
+
+<p>Registry 定义了一个通用的枚举注册表结构体。</p>
+
+<b>函数签名:</b>
+
+```go
+func NewRegistry[T comparable](items ...*Item[T]) *Registry[T]
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    registry := enum.NewRegistry[Status]()
+    item1 := enum.NewItem(Active, "Active")
+    item2 := enum.NewItem(Inactive, "Inactive")
+
+    registry.Add(item1, item2)
+
+    if item, found := registry.GetByValue(Active); found {
+        fmt.Println("Found by value:", item.Name())
+    }
+
+    if item, found := registry.GetByName("Inactive"); found {
+        fmt.Println("Found by name:", item.Value())
+    }
+
+    // Output:
+    // Found by value: Active
+    // Found by name: 2
+}
+```
+
+### <span id="Add">Add</span>
+
+<p>向枚举注册表添加枚举项。</p>
+
+<b>函数签名:</b>
+
+```go
+func (r *Registry[T]) Add(items ...*Item[T])
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    registry := enum.NewRegistry[Status]()
+    item1 := enum.NewItem(Active, "Active")
+    item2 := enum.NewItem(Inactive, "Inactive")
+
+    registry.Add(item1, item2)
+
+    if item, found := registry.GetByValue(Active); found {
+        fmt.Println("Found by value:", item.Name())
+    }
+
+    if item, found := registry.GetByName("Inactive"); found {
+        fmt.Println("Found by name:", item.Value())
+    }
+
+    // Output:
+    // Found by value: Active
+    // Found by name: 2
+}
+```
+
+### <span id="Remove">Remove</span>
+
+<p>在枚举注册表中删除枚举项。</p>
+
+<b>函数签名:</b>
+
+```go
+func (r *Registry[T]) Remove(value T) bool
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    registry := enum.NewRegistry[Status]()
+    item1 := enum.NewItem(Active, "Active")
+
+    registry.Add(item1)
+    fmt.Println("Size before removal:", registry.Size())
+
+    removed := registry.Remove(Active)
+    fmt.Println("Removed:", removed)
+    fmt.Println("Size after removal:", registry.Size())
+
+    // Output:
+    // Size before removal: 1
+    // Removed: true
+    // Size after removal: 0
+}
+```
+
+### <span id="Update">Update</span>
+
+<p>在枚举注册表中更新枚举项。</p>
+
+<b>函数签名:</b>
+
+```go
+func (r *Registry[T]) Update(value T, newName string) bool
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    registry := enum.NewRegistry[Status]()
+    item1 := enum.NewItem(Active, "Active")
+
+    registry.Add(item1)
+    updated := registry.Update(Active, "Activated")
+    fmt.Println("Updated:", updated)
+
+    if item, found := registry.GetByValue(Active); found {
+        fmt.Println("New name:", item.Name())
+    }
+
+    // Output:
+    // Updated: true
+    // New name: Activated
+}
+```
+
+### <span id="GetByValue">GetByValue</span>
+
+<p>在枚举注册表中通过值获取枚举项。</p>
+
+<b>函数签名:</b>
+
+```go
+func (r *Registry[T]) GetByValue(value T) (*Item[T], bool)
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    registry := enum.NewRegistry[Status]()
+    item1 := enum.NewItem(Active, "Active")
+
+    registry.Add(item1, item2)
+
+    if item, found := registry.GetByValue(Active); found {
+        fmt.Println("Found name by value:", item.Name())
+    }
+
+    // Output:
+    // Found name by value: Active
+}
+```
+
+### <span id="GetByName">GetByName</span>
+
+<p>在枚举注册表中通过名称获取枚举项。</p>
+
+<b>函数签名:</b>
+
+```go
+func (r *Registry[T]) GetByName(name string) (*Item[T], bool)
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    registry := enum.NewRegistry[Status]()
+    item := enum.NewItem(Active, "Active")
+
+    registry.Add(item)
+
+    if item, found := registry.GetByName("Active"); found {
+        fmt.Println("Found value by name:", item.Value())
+    }
+
+    // Output:
+    // Found value by name: 1
+}
+```
+
+### <span id="Items">Items</span>
+
+<p>返回枚举注册表中的枚举项。</p>
+
+<b>函数签名:</b>
+
+```go
+func (r *Registry[T]) Items() []*Item[T]
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    registry := enum.NewRegistry[Status]()
+    item1 := enum.NewItem(Active, "Active")
+    item2 := enum.NewItem(Inactive, "Inactive")
+
+    registry.Add(item1, item2)
+
+    for _, item := range registry.Items() {
+        fmt.Println(item.Name(), item.Value())
+    }
+
+    // Output:
+    // Active 1
+    // Inactive 2
+}
+```
+
+### <span id="Contains">Contains</span>
+
+<p>检查注册表中是否存在具有给定值的枚举项。</p>
+
+<b>函数签名:</b>
+
+```go
+func (r *Registry[T]) Contains(value T) bool
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    registry := enum.NewRegistry[Status]()
+    item := enum.NewItem(Active, "Active")
+    registry.Add(item)
+
+    fmt.Println(registry.Contains(Active))
+    fmt.Println(registry.Contains(Inactive))
+
+    // Output:
+    // true
+    // false
+}
+```
+
+### <span id="Size">Size</span>
+
+<p>返回注册表中枚举项的数目。</p>
+
+<b>函数签名:</b>
+
+```go
+func (r *Registry[T]) Size() int
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    registry := enum.NewRegistry[Status]()
+    fmt.Println("Initial size:", registry.Size())
+
+    item1 := enum.NewItem(Active, "Active")
+    item2 := enum.NewItem(Inactive, "Inactive")
+    registry.Add(item1, item2)
+
+    fmt.Println("Size after adding items:", registry.Size())
+
+    registry.Remove(Active)
+    fmt.Println("Size after removing an item:", registry.Size())
+
+    // Output:
+    // Initial size: 0
+    // Size after adding items: 2
+    // Size after removing an item: 1
+}
+```
+
+### <span id="Range">Range</span>
+
+<p>遍历注册表中的所有枚举项，并应用给定的函数。</p>
+
+<b>函数签名:</b>
+
+```go
+func (r *Registry[T]) Range(fn func(*Item[T]) bool)
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    registry := enum.NewRegistry[Status]()
+    item1 := enum.NewItem(Active, "Active")
+    item2 := enum.NewItem(Inactive, "Inactive")
+    registry.Add(item1, item2)
+
+    registry.Range(func(item *Item[Status]) bool {
+        fmt.Println(item.Name(), item.Value())
+        return true // continue iteration
+    })
+
+    // Output:
+    // Active 1
+    // Inactive 2
+}
+```
+
+### <span id="SortedItems">SortedItems</span>
+
+<p>返回按给定比较函数排序的所有枚举项的切片。</p>
+
+<b>函数签名:</b>
+
+```go
+func (r *Registry[T]) SortedItems(less func(*Item[T], *Item[T]) bool) []*Item[T]
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    registry := enum.NewRegistry[Status]()
+    item1 := enum.NewItem(Inactive, "Inactive")
+    item2 := enum.NewItem(Active, "Active")
+    registry.Add(item1, item2)
+
+    for _, item := range registry.SortedItems(func(i1, i2 *Item[Status]) bool {
+        return i1.value < i2.value
+    }) {
+        fmt.Println(item.Name(), item.Value())
+    }
+
+    // Output:
+    // Active 1
+    // Inactive 2
+}
+```
+
+### <span id="Filter">Filter</span>
+
+<p>返回满足给定谓词函数的枚举项切片。</p>
+
+<b>函数签名:</b>
+
+```go
+func (r *Registry[T]) Filter(predicate func(*Item[T]) bool) []*Item[T]
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    registry := enum.NewRegistry[Status]()
+    item1 := enum.NewItem(Active, "Active")
+    item2 := enum.NewItem(Inactive, "Inactive")
+    registry.Add(item1, item2)
+
+    activeItems := registry.Filter(func(item *Item[Status]) bool {
+        return item.Value() == Active
+    })
+
+    for _, item := range activeItems {
+        fmt.Println(item.Name(), item.Value())
+    }
+
+    // Output:
+    // Active 1
+}
+```

docs/api/packages/maputil.md

@@ -79,6 +79,7 @@ import (
 -   [SortByKey](#SortByKey)
 -   [GetOrDefault](#GetOrDefault)
 -   [FindValuesBy](#FindValuesBy)
+-   [ToMarkdownTable](#ToMarkdownTable)
 
 <div STYLE="page-break-after: always;"></div>
 
@@ -2345,3 +2346,68 @@ func main() {
     // [b d]
 }
 ```
+
+### <span id="ToMarkdownTable">ToMarkdownTable</span>
+
+<p>将一个 map 切片数据转换为 Markdown 表格字符串。支持自定义表头显示名称和列的显示顺序。</p>
+
+<b>函数签名:</b>
+
+```go
+编辑
+func ToMarkdownTable(data []map[string]interface{}, headerMap map[string]string, columnOrder []string) string
+```
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/todo)</span></b>
+
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/maputil"
+)
+
+func main() {
+    // 基本用法：自动从数据中提取列名作为表头
+    data := []map[string]interface{}{
+        {"name": "Alice", "age": 25, "salary": 50000},
+        {"name": "Bob", "age": 30, "salary": 60000},
+    }
+
+    result := maputil.ToMarkdownTable(data, nil, nil)
+    fmt.Println(result)
+
+    // 输出:
+    // |name|age|salary|
+    // |---|---|---|
+    // |Alice|25|50000|
+    // |Bob|30|60000|
+
+    // 自定义表头显示名称
+    headerMap := map[string]string{
+        "name":   "姓名",
+        "age":    "年龄",
+        "salary": "薪资",
+    }
+    result = maputil.ToMarkdownTable(data, headerMap, nil)
+    fmt.Println(result)
+
+    // 输出:
+    // |姓名|年龄|薪资|
+    // |---|---|---|
+    // |Alice|25|50000|
+    // |Bob|30|60000|
+
+    // 自定义列顺序
+    columnOrder := []string{"salary", "name"}
+    result = maputil.ToMarkdownTable(data, nil, columnOrder)
+    fmt.Println(result)
+
+    // 输出:
+    // |salary|name|
+    // |---|---|
+    // |50000|Alice|
+    // |60000|Bob|
+}
+```

docs/api/packages/slice.md

@@ -27,6 +27,7 @@ import (
 -   [Contain](#Contain)
 -   [ContainBy](#ContainBy)
 -   [ContainSubSlice](#ContainSubSlice)
+-   [ContainAny](#ContainAny)
 -   [Chunk](#Chunk)
 -   [Compact](#Compact)
 -   [Concat](#Concat)
@@ -256,6 +257,43 @@ func main() {
 }
 ```
 
+### <span id="ContainAny">ContainAny</span>
+
+<p>判断slice是否包含targets切片中的任意一个元素</p>
+
+<b>函数签名:</b>
+
+```go
+func ContainAny[T comparable](slice []T, targets []T) bool
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/4xoxhc9XSSw)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/slice"
+)
+
+func main() {
+    result1 := slice.ContainAny([]string{"a", "b", "c"}, []string{"a"})
+    result2 := slice.ContainAny([]string{"a", "b", "c"}, []string{"d", "e"})
+    result3 := slice.ContainAny([]string{"a", "b", "c"}, []string{"d", "a"})
+    result4 := slice.ContainAny([]string{"a", "b", "c"}, []string{})
+
+    fmt.Println(result1)
+    fmt.Println(result2)
+    fmt.Println(result3)
+    fmt.Println(result4)
+
+    // Output:
+    // true
+    // false
+    // true
+    // false
+}
+```
+
 ### <span id="Chunk">Chunk</span>
 
 <p>按照size参数均分slice</p>

docs/api/packages/struct.md

@@ -31,6 +31,7 @@ import (
 -   [IsStruct](#IsStruct)
 -   [Tag](#Tag)
 -   [Name](#Name)
+-   [TypeName](#TypeName)
 -   [Value](#Value)
 -   [Kind](#Kind)
 -   [IsEmbedded](#IsEmbedded)
@@ -53,7 +54,7 @@ import (
 func New(value any, tagName ...string) *Struct
 ```
 
-<b>示例:</b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/O29l8kk-Z17)</span></b>
 
 ```go
 package main
@@ -68,7 +69,11 @@ func main() {
     }
     p1 := &People{Name: "11"}
     s := structs.New(p1)
-    // to do something
+    
+    fmt.Println(s.ToMap())
+
+    // Output:
+    // map[name:11] <nil>
 }
 ```
 
@@ -88,7 +93,7 @@ func (s *Struct) ToMap() (map[string]any, error)
 func ToMap(v any) (map[string]any, error)
 ```
 
-<b>示例:</b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/qQbLySBgerZ)</span></b>
 
 ```go
 package main
@@ -129,7 +134,7 @@ func main() {
 func (s *Struct) Fields() []*Field
 ```
 
-<b>示例:</b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/w3Kk_CyVY7D)</span></b>
 
 ```go
 package main
@@ -161,10 +166,10 @@ func main() {
 <b>函数签名:</b>
 
 ```go
-func (s *Struct) Field(name string) *Field
+func (s *Struct) Field(name string) (*Field, bool)
 ```
 
-<b>示例:</b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/KocZMSYarza)</span></b>
 
 ```go
 package main
@@ -180,12 +185,14 @@ func main() {
     }
     p1 := &People{Name: "11"}
     s := structs.New(p1)
-    f := s.Field("Name")
+    f, found := s.Field("Name")
 
     fmt.Println(f.Value())
+    fmt.Println(found)
 
     // Output:
     // 11
+    // true
 }
 ```
 
@@ -199,7 +206,7 @@ func main() {
 func (s *Struct) IsStruct() bool
 ```
 
-<b>示例:</b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/bU2FSdkbK1C)</span></b>
 
 ```go
 package main
@@ -233,7 +240,7 @@ func main() {
 func (f *Field) Tag() *Tag
 ```
 
-<b>示例:</b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/DVrx5HvvUJr)</span></b>
 
 ```go
 package main
@@ -270,7 +277,7 @@ func main() {
 func (f *Field) Value() any
 ```
 
-<b>示例:</b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/qufYEU2o4Oi)</span></b>
 
 ```go
 package main
@@ -306,7 +313,7 @@ func main() {
 func (f *Field) IsEmbedded() bool
 ```
 
-<b>示例:</b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/wV2PrbYm3Ec)</span></b>
 
 ```go
 package main
@@ -351,7 +358,7 @@ func main() {
 func (f *Field) IsExported() bool
 ```
 
-<b>示例:</b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/csK4AXYaNbJ)</span></b>
 
 ```go
 package main
@@ -390,7 +397,7 @@ func main() {
 func (f *Field) IsZero() bool
 ```
 
-<b>示例:</b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/RzqpGISf87r)</span></b>
 
 ```go
 package main
@@ -429,7 +436,7 @@ func main() {
 func (f *Field) Name() string
 ```
 
-<b>示例:</b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/zfIGlqsatee)</span></b>
 
 ```go
 package main
@@ -468,7 +475,7 @@ func main() {
 func (f *Field) Kind() reflect.Kind
 ```
 
-<b>示例:</b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/wg4NlcUNG5o)</span></b>
 
 ```go
 package main
@@ -497,6 +504,42 @@ func main() {
 }
 ```
 
+### <span id="TypeName">TypeName</span>
+
+<p>获取结构体类型名。</p>
+
+<b>函数签名:</b>
+
+```go
+func (s *Struct) TypeName() string
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/structs"
+)
+
+func main() {
+    type Parent struct {
+        Name string
+        Age  int
+    }
+    
+    p := &Parent{Age: 11}
+    s := structs.New(p1)
+
+    fmt.Println(s.TypeName())
+    
+    // Output: 
+    // Parent
+}
+```
+
 ### <span id="IsSlice">IsSlice</span>
 
 <p>判断属性是否是切片</p>
@@ -507,7 +550,7 @@ func main() {
 func (f *Field) IsSlice() bool
 ```
 
-<b>示例:</b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/MKz4CgBIUrU)</span></b>
 
 ```go
 package main
@@ -544,7 +587,7 @@ func main() {
 func (f *Field) IsTargetType(targetType reflect.Kind) bool
 ```
 
-<b>示例:</b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/Ig75P-agN39)</span></b>
 
 ```go
 package main

docs/api/packages/validator.md

@@ -65,6 +65,8 @@ import (
 -   [IsAmericanExpress](#IsAmericanExpress)
 -   [IsUnionPay](#IsUnionPay)
 -   [IsChinaUnionPay](#IsChinaUnionPay)
+-   [IsPassport](#IsPassport)
+-   [IsChineseHMPassport](#IsChineseHMPassport)
 
 <div STYLE="page-break-after: always;"></div>
 
@@ -844,20 +846,20 @@ import (
 
 func main() {
     result1 := validator.IsAlphaNumeric("ABC")
-	result2 := validator.IsAlphaNumeric("123")
-	result3 := validator.IsAlphaNumeric("abc123")
-	result4 := validator.IsAlphaNumeric("abc123@#$")
+    result2 := validator.IsAlphaNumeric("123")
+    result3 := validator.IsAlphaNumeric("abc123")
+    result4 := validator.IsAlphaNumeric("abc123@#$")
 
-	fmt.Println(result1)
-	fmt.Println(result2)
-	fmt.Println(result3)
-	fmt.Println(result4)
+    fmt.Println(result1)
+    fmt.Println(result2)
+    fmt.Println(result3)
+    fmt.Println(result4)
 
-	// Output:
-	// true
-	// true
-	// true
-	// false
+    // Output:
+    // true
+    // true
+    // true
+    // false
 }
 ```
 
@@ -1567,3 +1569,80 @@ func main() {
     // false
 }
 ```
+
+### <span id="IsPassport">IsPassport</span>
+
+<p>判断护照(正则判断)。</p>
+
+<b>函数签名:</b>
+
+```go
+func IsPassport(passport, country string) bool
+```
+
+<b>示例:<span style="float:right;display:inline-block">[运行](https://go.dev/play/p/todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/validator"
+)
+
+func main() {
+    result1 := validator.IsPassport("P123456789", "CN")
+    result2 := validator.IsPassport("123456789", "US")
+    result3 := validator.IsPassport("AB1234567", "RU")
+    result4 := validator.IsPassport("123456789", "CN")
+
+    fmt.Println(result1)
+    fmt.Println(result2)
+    fmt.Println(result3)
+    fmt.Println(result4)
+
+    // Output:
+    // true
+    // true
+    // true
+    // false
+}
+```
+
+### <span id="IsChineseHMPassport">IsChineseHMPassport</span>
+
+<p>判断港澳台通行证(正则判断)。</p>
+
+<b>函数签名:</b>
+
+```go
+func IsChineseHMPassport(hmPassport string) bool
+```
+
+<b>示例:<span style="float:right;display:inline-block">[运行](https://go.dev/play/p/todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/validator"
+)
+
+func main() {
+    result1 := validator.IsChineseHMPassport("C12345678")
+    result2 := validator.IsChineseHMPassport("C00000000")
+    result3 := validator.IsChineseHMPassport("M12345678")
+    result4 := validator.IsChineseHMPassport("c12345678")
+    result5 := validator.IsChineseHMPassport("C1234567")
+
+    fmt.Println(result1)
+    fmt.Println(result2)
+    fmt.Println(result3)
+    fmt.Println(result4)
+    fmt.Println(result5)
+
+    // Output:
+    // true
+    // true
+    // true
+    // false
+    // false
+}
+```

docs/en/api/overview.md

@@ -46,6 +46,7 @@ outline: deep
         <div class="package-cell">cryptor</div>
         <div class="package-cell">datastructure</div>
         <div class="package-cell">datetime</div>
+        <div class="package-cell">enum</div>
         <div class="package-cell">eventbus</div>
         <div class="package-cell">fileutil</div>
         <div class="package-cell">formatter</div>

docs/en/api/packages/enum.md

@@ -0,0 +1,850 @@
+# Enum
+
+Package enum provides a simple enum implementation.
+
+<div STYLE="page-break-after: always;"></div>
+
+## Source:
+
+- [https://github.com/duke-git/lancet/blob/main/enum/enum.go](https://github.com/duke-git/lancet/blob/main/enum/enum.go)
+
+<div STYLE="page-break-after: always;"></div>
+
+## Usage:
+
+```go
+import (
+    "github.com/duke-git/lancet/v2/enum"
+)
+```
+
+<div STYLE="page-break-after: always;"></div>
+
+## Index
+
+-   [NewItem](#NewItem)
+-   [NewItemsFromPairs](#NewItemsFromPairs)
+-   [Value](#Value)
+-   [Name](#Name)
+-   [Valid](#Valid)
+-   [MarshalJSON](#MarshalJSON)
+-   [NewRegistry](#NewRegistry)
+-   [Add](#Add)
+-   [Remove](#Remove)
+-   [Update](#Update)
+-   [GetByValue](#GetByValue)
+-   [GetByName](#GetByName)
+-   [Items](#Items)
+-   [Contains](#Contains)
+-   [Size](#Size)
+-   [Range](#Range)
+-   [SortedItems](#SortedItems)
+-   [Filter](#Filter)
+
+<div STYLE="page-break-after: always;"></div>
+
+## Documentation
+
+### <span id="NewItem">NewItem</span>
+
+<p>Creates a new enum item.</p>
+
+<b>Signature:</b>
+
+```go
+func NewItem[T comparable](value T, name string) *Item[T]
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    item1 := enum.NewItem(Active, "Active")
+    item2 := enum.NewItem(Inactive, "Inactive")
+
+    fmt.Println(item1.Name(), item1.Value())
+    fmt.Println(item2.Name(), item2.Value())
+
+    // Output:
+    // Active 1
+    // Inactive 2
+}
+```
+
+### <span id="NewItemsFromPairs">NewItemsFromPairs</span>
+
+<p>Creates enum items from a slice of Pair structs.</p>
+
+<b>Signature:</b>
+
+```go
+func NewItemsFromPairs[T comparable](pairs ...Pair[T]) []*Item[T]
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    items := enum.NewItemsFromPairs(
+        enum.Pair[Status]{Value: Active, Name: "Active"},
+        enum.Pair[Status]{Value: Inactive, Name: "Inactive"},
+    )
+
+    fmt.Println(items[0].Name(), items[0].Value())
+    fmt.Println(items[1].Name(), items[1].Value())
+
+    // Output:
+    // Active 1
+    // Inactive 2
+}
+```
+
+### <span id="Value">Value</span>
+
+<p>Returns the value of the enum item.</p>
+
+<b>Signature:</b>
+
+```go
+func (it *Item[T]) Value() T
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    items := enum.NewItemsFromPairs(
+        enum.Pair[Status]{Value: Active, Name: "Active"},
+        enum.Pair[Status]{Value: Inactive, Name: "Inactive"},
+    )
+
+    fmt.Println(items[0].Name(), items[0].Value())
+    fmt.Println(items[1].Name(), items[1].Value())
+
+    // Output:
+    // Active 1
+    // Inactive 2
+}
+```
+
+### <span id="Name">Name</span>
+
+<p>Returns the name of the enum item.</p>
+
+<b>Signature:</b>
+
+```go
+func (it *Item[T]) Name() string
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    items := enum.NewItemsFromPairs(
+        enum.Pair[Status]{Value: Active, Name: "Active"},
+        enum.Pair[Status]{Value: Inactive, Name: "Inactive"},
+    )
+
+    fmt.Println(items[0].Name(), items[0].Value())
+    fmt.Println(items[1].Name(), items[1].Value())
+
+    // Output:
+    // Active 1
+    // Inactive 2
+}
+```
+
+### <span id="Valid">Valid</span>
+
+<p>Checks if the enum item is valid. If a custom check function is provided, it will be used to validate the value.</p>
+
+<b>Signature:</b>
+
+```go
+func (it *Item[T]) Valid(checker ...func(T) bool) bool
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    item := enum.NewItem(Active, "Active")
+    fmt.Println(item.Valid())
+
+    invalidItem := enum.NewItem(Unknown, "")
+    fmt.Println(invalidItem.Valid())
+
+    // Output:
+    // true
+    // false
+}
+```
+
+### <span id="MarshalJSON">MarshalJSON</span>
+
+<p>Implementation of json.Marshaler interface.</p>
+
+<b>Signature:</b>
+
+```go
+func (it *Item[T]) MarshalJSON() ([]byte, error)
+func (it *Item[T]) UnmarshalJSON(data []byte) error
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    item := enum.NewItem(Active, "Active")
+    data, _ := item.MarshalJSON()
+    fmt.Println(string(data))
+
+    var unmarshaledItem Item[Status]
+    _ = unmarshaledItem.UnmarshalJSON(data)
+    fmt.Println(unmarshaledItem.Name(), unmarshaledItem.Value())
+
+    // Output:
+    // {"name":"Active","value":1}
+    // Active 1
+}
+```
+
+### <span id="NewRegistry">NewRegistry</span>
+
+<p>Creates a new enum registry.</p>
+
+<b>Signature:</b>
+
+```go
+func NewRegistry[T comparable](items ...*Item[T]) *Registry[T]
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    registry := enum.NewRegistry[Status]()
+    item1 := enum.NewItem(Active, "Active")
+    item2 := enum.NewItem(Inactive, "Inactive")
+
+    registry.Add(item1, item2)
+
+    if item, found := registry.GetByValue(Active); found {
+        fmt.Println("Found by value:", item.Name())
+    }
+
+    if item, found := registry.GetByName("Inactive"); found {
+        fmt.Println("Found by name:", item.Value())
+    }
+
+    // Output:
+    // Found by value: Active
+    // Found by name: 2
+}
+```
+
+### <span id="Add">Add</span>
+
+<p>Adds enum items to the registry.</p>
+
+<b>Signature:</b>
+
+```go
+func (r *Registry[T]) Add(items ...*Item[T])
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    registry := enum.NewRegistry[Status]()
+    item1 := enum.NewItem(Active, "Active")
+    item2 := enum.NewItem(Inactive, "Inactive")
+
+    registry.Add(item1, item2)
+
+    if item, found := registry.GetByValue(Active); found {
+        fmt.Println("Found by value:", item.Name())
+    }
+
+    if item, found := registry.GetByName("Inactive"); found {
+        fmt.Println("Found by name:", item.Value())
+    }
+
+    // Output:
+    // Found by value: Active
+    // Found by name: 2
+}
+```
+
+### <span id="Remove">Remove</span>
+
+<p>Removes an enum item from the registry by its value.</p>
+
+<b>Signature:</b>
+
+```go
+func (r *Registry[T]) Remove(value T) bool
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    registry := enum.NewRegistry[Status]()
+    item1 := enum.NewItem(Active, "Active")
+
+    registry.Add(item1)
+    fmt.Println("Size before removal:", registry.Size())
+
+    removed := registry.Remove(Active)
+    fmt.Println("Removed:", removed)
+    fmt.Println("Size after removal:", registry.Size())
+
+    // Output:
+    // Size before removal: 1
+    // Removed: true
+    // Size after removal: 0
+}
+```
+
+### <span id="Update">Update</span>
+
+<p>Updates the name of an enum item in the registry by its value.</p>
+
+<b>Signature:</b>
+
+```go
+func (r *Registry[T]) Update(value T, newName string) bool
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    registry := enum.NewRegistry[Status]()
+    item1 := enum.NewItem(Active, "Active")
+
+    registry.Add(item1)
+    updated := registry.Update(Active, "Activated")
+    fmt.Println("Updated:", updated)
+
+    if item, found := registry.GetByValue(Active); found {
+        fmt.Println("New name:", item.Name())
+    }
+
+    // Output:
+    // Updated: true
+    // New name: Activated
+}
+```
+
+### <span id="GetByValue">GetByValue</span>
+
+<p>Retrieves an enum item by its value.</p>
+
+<b>Signature:</b>
+
+```go
+func (r *Registry[T]) GetByValue(value T) (*Item[T], bool)
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    registry := enum.NewRegistry[Status]()
+    item1 := enum.NewItem(Active, "Active")
+
+    registry.Add(item1, item2)
+
+    if item, found := registry.GetByValue(Active); found {
+        fmt.Println("Found name by value:", item.Name())
+    }
+
+    // Output:
+    // Found name by value: Active
+}
+```
+
+### <span id="GetByName">GetByName</span>
+
+<p>Retrieves an enum item by its name.</p>
+
+<b>Signature:</b>
+
+```go
+func (r *Registry[T]) GetByName(name string) (*Item[T], bool)
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    registry := enum.NewRegistry[Status]()
+    item := enum.NewItem(Active, "Active")
+
+    registry.Add(item)
+
+    if item, found := registry.GetByName("Active"); found {
+        fmt.Println("Found value by name:", item.Value())
+    }
+
+    // Output:
+    // Found value by name: 1
+}
+```
+
+### <span id="Items">Items</span>
+
+<p>Returns a slice of all enum items in the registry.</p>
+
+<b>Signature:</b>
+
+```go
+func (r *Registry[T]) Items() []*Item[T]
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    registry := enum.NewRegistry[Status]()
+    item1 := enum.NewItem(Active, "Active")
+    item2 := enum.NewItem(Inactive, "Inactive")
+
+    registry.Add(item1, item2)
+
+    for _, item := range registry.Items() {
+        fmt.Println(item.Name(), item.Value())
+    }
+
+    // Output:
+    // Active 1
+    // Inactive 2
+}
+```
+
+### <span id="Contains">Contains</span>
+
+<p>Checks if an enum item with the given value exists in the registry.</p>
+
+<b>Signature:</b>
+
+```go
+func (r *Registry[T]) Contains(value T) bool
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    registry := enum.NewRegistry[Status]()
+    item := enum.NewItem(Active, "Active")
+    registry.Add(item)
+
+    fmt.Println(registry.Contains(Active))
+    fmt.Println(registry.Contains(Inactive))
+
+    // Output:
+    // true
+    // false
+}
+```
+
+### <span id="Size">Size</span>
+
+<p>Returns the number of enum items in the registry.</p>
+
+<b>Signature:</b>
+
+```go
+func (r *Registry[T]) Size() int
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    registry := enum.NewRegistry[Status]()
+    fmt.Println("Initial size:", registry.Size())
+
+    item1 := enum.NewItem(Active, "Active")
+    item2 := enum.NewItem(Inactive, "Inactive")
+    registry.Add(item1, item2)
+
+    fmt.Println("Size after adding items:", registry.Size())
+
+    registry.Remove(Active)
+    fmt.Println("Size after removing an item:", registry.Size())
+
+    // Output:
+    // Initial size: 0
+    // Size after adding items: 2
+    // Size after removing an item: 1
+}
+```
+
+### <span id="Range">Range</span>
+
+<p>Iterates over all enum items in the registry and applies the given function.</p>
+
+<b>Signature:</b>
+
+```go
+func (r *Registry[T]) Range(fn func(*Item[T]) bool)
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    registry := enum.NewRegistry[Status]()
+    item1 := enum.NewItem(Active, "Active")
+    item2 := enum.NewItem(Inactive, "Inactive")
+    registry.Add(item1, item2)
+
+    registry.Range(func(item *Item[Status]) bool {
+        fmt.Println(item.Name(), item.Value())
+        return true // continue iteration
+    })
+
+    // Output:
+    // Active 1
+    // Inactive 2
+}
+```
+
+### <span id="SortedItems">SortedItems</span>
+
+<p>Returns a slice of all enum items sorted by the given less function.</p>
+
+<b>Signature:</b>
+
+```go
+func (r *Registry[T]) SortedItems(less func(*Item[T], *Item[T]) bool) []*Item[T]
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    registry := enum.NewRegistry[Status]()
+    item1 := enum.NewItem(Inactive, "Inactive")
+    item2 := enum.NewItem(Active, "Active")
+    registry.Add(item1, item2)
+
+    for _, item := range registry.SortedItems(func(i1, i2 *Item[Status]) bool {
+        return i1.value < i2.value
+    }) {
+        fmt.Println(item.Name(), item.Value())
+    }
+
+    // Output:
+    // Active 1
+    // Inactive 2
+}
+```
+
+### <span id="Filter">Filter</span>
+
+<p>Returns a slice of enum items that satisfy the given predicate function.</p>
+
+<b>Signature:</b>
+
+```go
+func (r *Registry[T]) Filter(predicate func(*Item[T]) bool) []*Item[T]
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/enum"
+)
+
+type Status int
+
+const (
+    Unknown Status = iota
+    Active
+    Inactive
+)
+
+func main() {
+    registry := enum.NewRegistry[Status]()
+    item1 := enum.NewItem(Active, "Active")
+    item2 := enum.NewItem(Inactive, "Inactive")
+    registry.Add(item1, item2)
+
+    activeItems := registry.Filter(func(item *Item[Status]) bool {
+        return item.Value() == Active
+    })
+
+    for _, item := range activeItems {
+        fmt.Println(item.Name(), item.Value())
+    }
+
+    // Output:
+    // Active 1
+}
+```

docs/en/api/packages/function.md

@@ -620,7 +620,7 @@ func main() {
 
 ### <span id="Nand">Nand</span>
 
-<p>Returns a composed predicate that represents the logical NAND of a list of predicates. It evaluates to true only if all predicates evaluate to false for the given value.</p>
+<p>Returns a composed predicate that represents the logical NAND of a list of predicates. It evaluates to false only if all predicates evaluate to true for the given value.</p>
 
 <b>Signature:</b>
 
@@ -650,7 +650,7 @@ func main() {
 
     // Output:
     // false
-    // false
+    // true
     // true
 }
 ```

docs/en/api/packages/maputil.md

@@ -79,6 +79,8 @@ import (
 -   [SortByKey](#SortByKey)
 -   [GetOrDefault](#GetOrDefault)
 -   [FindValuesBy](#FindValuesBy)
+-   [ToMarkdownTable](#ToMarkdownTable)
+
 
 <div STYLE="page-break-after: always;"></div>
 
@@ -2363,3 +2365,69 @@ func main() {
     // [b d]
 }
 ```
+
+### <span id="ToMarkdownTable">ToMarkdownTable</span>
+
+<p>Convert a map slice data to a Markdown table string. It supports custom header display names and column display order.</p>
+
+<b>Signature:</b>
+
+```go
+编辑
+func ToMarkdownTable(data []map[string]interface{}, headerMap map[string]string, columnOrder []string) string
+```
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/todo)</span></b>
+
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/maputil"
+)
+
+func main() {
+    // basic usage: automatically extract column names from data as table headers
+
+    data := []map[string]interface{}{
+        {"name": "Alice", "age": 25, "salary": 50000},
+        {"name": "Bob", "age": 30, "salary": 60000},
+    }
+
+    result := maputil.ToMarkdownTable(data, nil, nil)
+    fmt.Println(result)
+
+    // output:
+    // |name|age|salary|
+    // |---|---|---|
+    // |Alice|25|50000|
+    // |Bob|30|60000|
+
+    // custom header name
+    headerMap := map[string]string{
+        "name":   "n",
+        "age":    "a",
+        "salary": "s",
+    }
+    result = maputil.ToMarkdownTable(data, headerMap, nil)
+    fmt.Println(result)
+
+    // ouput:
+    // |m|a|s|
+    // |---|---|---|
+    // |Alice|25|50000|
+    // |Bob|30|60000|
+
+    // custom column display order
+    columnOrder := []string{"salary", "name"}
+    result = maputil.ToMarkdownTable(data, nil, columnOrder)
+    fmt.Println(result)
+
+    // 输出:
+    // |salary|name|
+    // |---|---|
+    // |50000|Alice|
+    // |60000|Bob|
+}
+```

docs/en/api/packages/slice.md

@@ -27,6 +27,7 @@ import (
 -   [Contain](#Contain)
 -   [ContainBy](#ContainBy)
 -   [ContainSubSlice](#ContainSubSlice)
+-   [ContainAny](#ContainAny)
 -   [Chunk](#Chunk)
 -   [Compact](#Compact)
 -   [Concat](#Concat)
@@ -256,6 +257,43 @@ func main() {
 }
 ```
 
+### <span id="ContainAny">ContainAny</span>
+
+<p>Check if the slice contains any element from the targets slice.</p>
+
+<b>Signature:</b>
+
+```go
+func ContainAny[T comparable](slice []T, targets []T) bool
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/4xoxhc9XSSw)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/slice"
+)
+
+func main() {
+    result1 := slice.ContainAny([]string{"a", "b", "c"}, []string{"a"})
+    result2 := slice.ContainAny([]string{"a", "b", "c"}, []string{"d", "e"})
+    result3 := slice.ContainAny([]string{"a", "b", "c"}, []string{"d", "a"})
+    result4 := slice.ContainAny([]string{"a", "b", "c"}, []string{})
+
+    fmt.Println(result1)
+    fmt.Println(result2)
+    fmt.Println(result3)
+    fmt.Println(result4)
+
+    // Output:
+    // true
+    // false
+    // true
+    // false
+}
+```
+
 ### <span id="Chunk">Chunk</span>
 
 <p>Creates an slice of elements split into groups the length of `size`.</p>

docs/en/api/packages/struct.md

@@ -31,6 +31,7 @@ import (
 -   [IsStruct](#IsStruct)
 -   [Tag](#Tag)
 -   [Name](#Name)
+-   [TypeName](#TypeName)
 -   [Value](#Value)
 -   [Kind](#Kind)
 -   [IsEmbedded](#IsEmbedded)
@@ -53,12 +54,13 @@ import (
 func New(value any, tagName ...string) *Struct
 ```
 
-<b>Example:</b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/O29l8kk-Z17)</span></b>
 
 ```go
 package main
 
 import (
+    "fmt"
     "github.com/duke-git/lancet/v2/structs"
 )
 
@@ -68,7 +70,11 @@ func main() {
     }
     p1 := &People{Name: "11"}
     s := structs.New(p1)
-    // to do something
+    
+    fmt.Println(s.ToMap())
+
+    // Output:
+    // map[name:11] <nil>
 }
 ```
 
@@ -88,7 +94,7 @@ func (s *Struct) ToMap() (map[string]any, error)
 func ToMap(v any) (map[string]any, error)
 ```
 
-<b>Example:</b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/qQbLySBgerZ)</span></b>
 
 ```go
 package main
@@ -130,7 +136,7 @@ func main() {
 func (s *Struct) Fields() []*Field
 ```
 
-<b>Example:</b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/w3Kk_CyVY7D)</span></b>
 
 ```go
 package main
@@ -162,10 +168,10 @@ func main() {
 <b>Signature:</b>
 
 ```go
-func (s *Struct) Field(name string) *Field
+func (s *Struct) Field(name string) (*Field, bool)
 ```
 
-<b>Example:</b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/KocZMSYarza)</span></b>
 
 ```go
 package main
@@ -181,12 +187,14 @@ func main() {
     }
     p1 := &People{Name: "11"}
     s := structs.New(p1)
-    f := s.Field("Name")
+    f, found := s.Field("Name")
 
     fmt.Println(f.Value())
+    fmt.Println(found)
 
     // Output:
     // 11
+    // true
 }
 ```
 
@@ -200,7 +208,7 @@ func main() {
 func (s *Struct) IsStruct() bool
 ```
 
-<b>Example:</b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/bU2FSdkbK1C)</span></b>
 
 ```go
 package main
@@ -234,7 +242,7 @@ func main() {
 func (f *Field) Tag() *Tag
 ```
 
-<b>Example:</b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/DVrx5HvvUJr)</span></b>
 
 ```go
 package main
@@ -271,7 +279,7 @@ func main() {
 func (f *Field) Value() any
 ```
 
-<b>Example:</b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/qufYEU2o4Oi)</span></b>
 
 ```go
 package main
@@ -307,7 +315,7 @@ func main() {
 func (f *Field) IsEmbedded() bool
 ```
 
-<b>Example:</b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/wV2PrbYm3Ec)</span></b>
 
 ```go
 package main
@@ -352,7 +360,7 @@ func main() {
 func (f *Field) IsExported() bool
 ```
 
-<b>Example:</b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/csK4AXYaNbJ)</span></b>
 
 ```go
 package main
@@ -391,7 +399,7 @@ func main() {
 func (f *Field) IsZero() bool
 ```
 
-<b>Example:</b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/RzqpGISf87r)</span></b>
 
 ```go
 package main
@@ -430,7 +438,7 @@ func main() {
 func (f *Field) Name() string
 ```
 
-<b>Example:</b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/zfIGlqsatee)</span></b>
 
 ```go
 package main
@@ -469,7 +477,7 @@ func main() {
 func (f *Field) Kind() reflect.Kind
 ```
 
-<b>Example:</b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/wg4NlcUNG5o)</span></b>
 
 ```go
 package main
@@ -498,6 +506,42 @@ func main() {
 }
 ```
 
+### <span id="TypeName">TypeName</span>
+
+<p>Return struct type name.</p>
+
+<b>Signature:</b>
+
+```go
+func (s *Struct) TypeName() string
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/todo)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/structs"
+)
+
+func main() {
+    type Parent struct {
+        Name string
+        Age  int
+    }
+
+    p := &Parent{Age: 11}
+    s := structs.New(p1)
+
+    fmt.Println(s.TypeName())
+    
+    // Output: 
+    // Parent
+}
+```
+
 ### <span id="IsSlice">IsSlice</span>
 
 <p>Check if the field is a slice</p>
@@ -508,7 +552,7 @@ func main() {
 func (f *Field) IsSlice() bool
 ```
 
-<b>Example:</b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/MKz4CgBIUrU)</span></b>
 
 ```go
 package main
@@ -545,7 +589,7 @@ func main() {
 func (f *Field) IsTargetType(targetType reflect.Kind) bool
 ```
 
-<b>Example:</b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/Ig75P-agN39)</span></b>
 
 ```go
 package main

docs/en/api/packages/validator.md

@@ -65,6 +65,8 @@ import (
 -   [IsAmericanExpress](#IsAmericanExpress)
 -   [IsUnionPay](#IsUnionPay)
 -   [IsChinaUnionPay](#IsChinaUnionPay)
+-   [IsPassport](#IsPassport)
+-   [IsChineseHMPassport](#IsChineseHMPassport)
 
 <div STYLE="page-break-after: always;"></div>
 
@@ -1569,3 +1571,80 @@ func main() {
     // false
 }
 ```
+
+### <span id="IsPassport">IsPassport</span>
+
+<p>Passport validation(using regex).</p>
+
+<b>Signature:</b>
+
+```go
+func IsPassport(passport, country string) bool
+```
+
+<b>Example:<span style="float:right;display:inline-block">[Run](https://go.dev/play/p/todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/validator"
+)
+
+func main() {
+    result1 := validator.IsPassport("P123456789", "CN")
+    result2 := validator.IsPassport("123456789", "US")
+    result3 := validator.IsPassport("AB1234567", "RU")
+    result4 := validator.IsPassport("123456789", "CN")
+
+    fmt.Println(result1)
+    fmt.Println(result2)
+    fmt.Println(result3)
+    fmt.Println(result4)
+
+    // Output:
+    // true
+    // true
+    // true
+    // false
+}
+```
+
+### <span id="IsChineseHMPassport">IsChineseHMPassport</span>
+
+<p>Mainland travel permit for Hong Kong, Macao validation (using regex). </p>
+
+<b>Signature:</b>
+
+```go
+func IsChineseHMPassport(hmPassport string) bool
+```
+
+<b>Example:<span style="float:right;display:inline-block">[Run](https://go.dev/play/p/todo)</span></b>
+
+```go
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/validator"
+)
+
+func main() {
+    result1 := validator.IsChineseHMPassport("C12345678")
+    result2 := validator.IsChineseHMPassport("C00000000")
+    result3 := validator.IsChineseHMPassport("M12345678")
+    result4 := validator.IsChineseHMPassport("c12345678")
+    result5 := validator.IsChineseHMPassport("C1234567")
+
+    fmt.Println(result1)
+    fmt.Println(result2)
+    fmt.Println(result3)
+    fmt.Println(result4)
+    fmt.Println(result5)
+
+    // Output:
+    // true
+    // true
+    // true
+    // false
+    // false
+}
+```

enum/enum.go

@@ -0,0 +1,298 @@
+// Copyright 2025 dudaodong@gmail.com. All rights resulterved.
+// Use of this source code is governed by MIT license
+
+// Package enum provides a simple enum implementation.
+package enum
+
+import (
+	"encoding/json"
+	"fmt"
+	"reflect"
+	"sort"
+	"sync"
+)
+
+// Enum defines a common enum interface.
+type Enum[T comparable] interface {
+	Value() T
+	String() string
+	Name() string
+	Valid(checker ...func(T) bool) bool
+}
+
+// Item defines a common enum item struct implement Enum interface.
+type Item[T comparable] struct {
+	value T
+	name  string
+}
+
+// NewItem creates a new enum item.
+func NewItem[T comparable](value T, name string) *Item[T] {
+	return &Item[T]{value: value, name: name}
+}
+
+// Pair represents a value-name pair for creating enum items
+type Pair[T comparable] struct {
+	Value T
+	Name  string
+}
+
+// NewItemsFromPairs creates enum items from a slice of Pair structs.
+func NewItemsFromPairs[T comparable](pairs ...Pair[T]) []*Item[T] {
+	if len(pairs) == 0 {
+		return []*Item[T]{}
+	}
+
+	items := make([]*Item[T], 0, len(pairs))
+	for _, pair := range pairs {
+		items = append(items, &Item[T]{value: pair.Value, name: pair.Name})
+	}
+
+	return items
+}
+
+// Value returns the value of the enum item.
+func (it *Item[T]) Value() T {
+	return it.value
+}
+
+// Name returns the name of the enum item.
+func (it *Item[T]) Name() string {
+	return it.name
+}
+
+// String returns the string representation of the enum item.
+func (it *Item[T]) String() string {
+	return it.name
+}
+
+// Valid checks if the enum item is valid. If a custom check function is provided, it will be used to validate the value.
+func (it *Item[T]) Valid(checker ...func(T) bool) bool {
+	if len(checker) > 0 {
+		return checker[0](it.value) && it.name != ""
+	}
+	var zero T
+	return it.value != zero && it.name != ""
+}
+
+// MarshalJSON implements the json.Marshaler interface.
+func (it *Item[T]) MarshalJSON() ([]byte, error) {
+	return json.Marshal(map[string]any{
+		"value": it.value,
+		"name":  it.name,
+	})
+}
+
+// UnmarshalJSON implements the json.Unmarshaler interface.
+func (it *Item[T]) UnmarshalJSON(data []byte) error {
+	type alias struct {
+		Value any    `json:"value"`
+		Name  string `json:"name"`
+	}
+	var temp alias
+	if err := json.Unmarshal(data, &temp); err != nil {
+		return err
+	}
+
+	var v T
+	rv := reflect.TypeOf(v)
+	switch rv.Kind() {
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+		val, ok := temp.Value.(float64)
+		if !ok {
+			return fmt.Errorf("invalid type for value, want int family")
+		}
+		converted := reflect.ValueOf(int64(val)).Convert(rv)
+		it.value = converted.Interface().(T)
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+		val, ok := temp.Value.(float64)
+		if !ok {
+			return fmt.Errorf("invalid type for value, want uint family")
+		}
+		converted := reflect.ValueOf(uint64(val)).Convert(rv)
+		it.value = converted.Interface().(T)
+	case reflect.Float32, reflect.Float64:
+		val, ok := temp.Value.(float64)
+		if !ok {
+			return fmt.Errorf("invalid type for value, want float family")
+		}
+		converted := reflect.ValueOf(val).Convert(rv)
+		it.value = converted.Interface().(T)
+	case reflect.String:
+		val, ok := temp.Value.(string)
+		if !ok {
+			return fmt.Errorf("invalid type for value, want string")
+		}
+		it.value = any(val).(T)
+	case reflect.Bool:
+		val, ok := temp.Value.(bool)
+		if !ok {
+			return fmt.Errorf("invalid type for value, want bool")
+		}
+		it.value = any(val).(T)
+	default:
+		val, ok := temp.Value.(float64)
+		if ok {
+			converted := reflect.ValueOf(int64(val)).Convert(rv)
+			it.value = converted.Interface().(T)
+		} else {
+			val2, ok2 := temp.Value.(T)
+			if !ok2 {
+				return fmt.Errorf("invalid type for value")
+			}
+			it.value = val2
+		}
+	}
+	it.name = temp.Name
+	return nil
+}
+
+// Registry defines a common enum registry struct.
+type Registry[T comparable] struct {
+	mu     sync.RWMutex
+	values map[T]*Item[T]
+	names  map[string]*Item[T]
+	items  []*Item[T]
+}
+
+// NewRegistry creates a new enum registry.
+func NewRegistry[T comparable](items ...*Item[T]) *Registry[T] {
+	r := &Registry[T]{
+		values: make(map[T]*Item[T]),
+		names:  make(map[string]*Item[T]),
+		items:  make([]*Item[T], 0, len(items)),
+	}
+
+	r.Add(items...)
+
+	return r
+}
+
+// Add adds enum items to the registry.
+func (r *Registry[T]) Add(items ...*Item[T]) {
+	r.mu.Lock()
+	defer r.mu.Unlock()
+
+	for _, item := range items {
+		if _, exists := r.values[item.value]; exists {
+			continue
+		}
+		if _, exists := r.names[item.name]; exists {
+			continue
+		}
+
+		r.values[item.value] = item
+		r.names[item.name] = item
+		r.items = append(r.items, item)
+	}
+}
+
+// Remove removes an enum item from the registry by its value.
+func (r *Registry[T]) Remove(value T) bool {
+	r.mu.Lock()
+	defer r.mu.Unlock()
+	item, ok := r.values[value]
+	if !ok {
+		return false
+	}
+	delete(r.values, value)
+	delete(r.names, item.name)
+	for i, it := range r.items {
+		if it.value == value {
+			r.items = append(r.items[:i], r.items[i+1:]...)
+			break
+		}
+	}
+	return true
+}
+
+// Update updates the name of an enum item in the registry by its value.
+func (r *Registry[T]) Update(value T, newName string) bool {
+	r.mu.Lock()
+	defer r.mu.Unlock()
+	item, ok := r.values[value]
+	if !ok {
+		return false
+	}
+	delete(r.names, item.name)
+	item.name = newName
+	r.names[newName] = item
+	return true
+}
+
+// GetByValue retrieves an enum item by its value.
+func (r *Registry[T]) GetByValue(value T) (*Item[T], bool) {
+	r.mu.RLock()
+	defer r.mu.RUnlock()
+
+	item, ok := r.values[value]
+	return item, ok
+}
+
+// GetByName retrieves an enum item by its name.
+func (r *Registry[T]) GetByName(name string) (*Item[T], bool) {
+	r.mu.RLock()
+	defer r.mu.RUnlock()
+
+	item, ok := r.names[name]
+	return item, ok
+}
+
+// Items returns a slice of all enum items in the registry.
+func (r *Registry[T]) Items() []*Item[T] {
+	r.mu.RLock()
+	defer r.mu.RUnlock()
+
+	result := make([]*Item[T], len(r.items))
+	copy(result, r.items)
+	return result
+}
+
+// Contains checks if an enum item with the given value exists in the registry.
+func (r *Registry[T]) Contains(value T) bool {
+	_, ok := r.GetByValue(value)
+	return ok
+}
+
+// Size returns the number of enum items in the registry.
+func (r *Registry[T]) Size() int {
+	r.mu.RLock()
+	defer r.mu.RUnlock()
+
+	return len(r.items)
+}
+
+// Range iterates over all enum items in the registry and applies the given function.
+func (r *Registry[T]) Range(fn func(*Item[T]) bool) {
+	r.mu.RLock()
+	defer r.mu.RUnlock()
+
+	for _, item := range r.items {
+		if !fn(item) {
+			break
+		}
+	}
+}
+
+// SortedItems returns a slice of all enum items sorted by the given less function.
+func (r *Registry[T]) SortedItems(less func(*Item[T], *Item[T]) bool) []*Item[T] {
+	items := r.Items()
+	sort.Slice(items, func(i, j int) bool {
+		return less(items[i], items[j])
+	})
+	return items
+}
+
+// Filter returns a slice of enum items that satisfy the given predicate function.
+func (r *Registry[T]) Filter(predicate func(*Item[T]) bool) []*Item[T] {
+	r.mu.RLock()
+	defer r.mu.RUnlock()
+
+	var result []*Item[T]
+	for _, item := range r.items {
+		if predicate(item) {
+			result = append(result, item)
+		}
+	}
+	return result
+}

enum/enum_example_test.go

@@ -0,0 +1,208 @@
+package enum
+
+import "fmt"
+
+func ExampleNewItem() {
+	item1 := NewItem(Active, "Active")
+	item2 := NewItem(Inactive, "Inactive")
+
+	fmt.Println(item1.Name(), item1.Value())
+	fmt.Println(item2.Name(), item2.Value())
+
+	// Output:
+	// Active 1
+	// Inactive 2
+}
+
+func ExampleNewItemsFromPairs() {
+	items := NewItemsFromPairs(
+		Pair[Status]{Value: Active, Name: "Active"},
+		Pair[Status]{Value: Inactive, Name: "Inactive"},
+	)
+
+	fmt.Println(items[0].Name(), items[0].Value())
+	fmt.Println(items[1].Name(), items[1].Value())
+
+	// Output:
+	// Active 1
+	// Inactive 2
+}
+
+func ExampleItem_Valid() {
+	item := NewItem(Active, "Active")
+	fmt.Println(item.Valid())
+
+	invalidItem := NewItem(Unknown, "")
+	fmt.Println(invalidItem.Valid())
+
+	// Output:
+	// true
+	// false
+}
+
+func ExampleItem_MarshalJSON() {
+	item := NewItem(Active, "Active")
+	data, _ := item.MarshalJSON()
+	fmt.Println(string(data))
+
+	var unmarshaledItem Item[Status]
+	_ = unmarshaledItem.UnmarshalJSON(data)
+	fmt.Println(unmarshaledItem.Name(), unmarshaledItem.Value())
+
+	// Output:
+	// {"name":"Active","value":1}
+	// Active 1
+}
+
+func ExampleRegistry_Add() {
+	registry := NewRegistry[Status]()
+	item1 := NewItem(Active, "Active")
+	item2 := NewItem(Inactive, "Inactive")
+
+	registry.Add(item1, item2)
+
+	if item, found := registry.GetByValue(Active); found {
+		fmt.Println("Found by value:", item.Name())
+	}
+
+	if item, found := registry.GetByName("Inactive"); found {
+		fmt.Println("Found by name:", item.Value())
+	}
+
+	// Output:
+	// Found by value: Active
+	// Found by name: 2
+}
+
+func ExampleRegistry_Remove() {
+	registry := NewRegistry[Status]()
+	item1 := NewItem(Active, "Active")
+
+	registry.Add(item1)
+	fmt.Println("Size before removal:", registry.Size())
+
+	removed := registry.Remove(Active)
+	fmt.Println("Removed:", removed)
+	fmt.Println("Size after removal:", registry.Size())
+
+	// Output:
+	// Size before removal: 1
+	// Removed: true
+	// Size after removal: 0
+}
+
+func ExampleRegistry_Update() {
+	registry := NewRegistry[Status]()
+	item1 := NewItem(Active, "Active")
+
+	registry.Add(item1)
+	updated := registry.Update(Active, "Activated")
+	fmt.Println("Updated:", updated)
+
+	if item, found := registry.GetByValue(Active); found {
+		fmt.Println("New name:", item.Name())
+	}
+
+	// Output:
+	// Updated: true
+	// New name: Activated
+}
+
+func ExampleRegistry_Items() {
+	registry := NewRegistry[Status]()
+	item1 := NewItem(Active, "Active")
+	item2 := NewItem(Inactive, "Inactive")
+
+	registry.Add(item1, item2)
+
+	for _, item := range registry.Items() {
+		fmt.Println(item.Name(), item.Value())
+	}
+
+	// Output:
+	// Active 1
+	// Inactive 2
+}
+
+func ExampleRegistry_Contains() {
+	registry := NewRegistry[Status]()
+	item := NewItem(Active, "Active")
+	registry.Add(item)
+
+	fmt.Println(registry.Contains(Active))
+	fmt.Println(registry.Contains(Inactive))
+
+	// Output:
+	// true
+	// false
+}
+
+func ExampleRegistry_Size() {
+	registry := NewRegistry[Status]()
+	fmt.Println("Initial size:", registry.Size())
+
+	item1 := NewItem(Active, "Active")
+	item2 := NewItem(Inactive, "Inactive")
+	registry.Add(item1, item2)
+
+	fmt.Println("Size after adding items:", registry.Size())
+
+	registry.Remove(Active)
+	fmt.Println("Size after removing an item:", registry.Size())
+
+	// Output:
+	// Initial size: 0
+	// Size after adding items: 2
+	// Size after removing an item: 1
+}
+
+func ExampleRegistry_Range() {
+	registry := NewRegistry[Status]()
+	item1 := NewItem(Active, "Active")
+	item2 := NewItem(Inactive, "Inactive")
+	registry.Add(item1, item2)
+
+	registry.Range(func(item *Item[Status]) bool {
+		fmt.Println(item.Name(), item.Value())
+		return true // continue iteration
+	})
+
+	// Output:
+	// Active 1
+	// Inactive 2
+}
+
+func ExampleRegistry_SortedItems() {
+	registry := NewRegistry[Status]()
+	item1 := NewItem(Inactive, "Inactive")
+	item2 := NewItem(Active, "Active")
+	registry.Add(item1, item2)
+
+	for _, item := range registry.SortedItems(func(i1, i2 *Item[Status]) bool {
+		return i1.value < i2.value
+	}) {
+		fmt.Println(item.Name(), item.Value())
+	}
+
+	// Output:
+	// Active 1
+	// Inactive 2
+}
+
+func ExampleRegistry_Filter() {
+	registry := NewRegistry[Status]()
+	item1 := NewItem(Active, "Active")
+	item2 := NewItem(Inactive, "Inactive")
+	registry.Add(item1, item2)
+
+	activeItems := registry.Filter(func(item *Item[Status]) bool {
+		return item.Value() == Active
+	})
+
+	for _, item := range activeItems {
+		fmt.Println(item.Name(), item.Value())
+	}
+
+	// Output:
+	// Active 1
+}

enum/enum_test.go

@@ -0,0 +1,184 @@
+// Copyright 2025 dudaodong@gmail.com. All rights resulterved.
+// Use of this source code is governed by MIT license
+
+package enum
+
+import (
+	"testing"
+
+	"github.com/duke-git/lancet/v2/internal"
+)
+
+type Status int
+
+const (
+	Unknown Status = iota
+	Active
+	Inactive
+)
+
+func TestNewItemsFromPairs(t *testing.T) {
+	t.Parallel()
+	assert := internal.NewAssert(t, "TestNewItemsFromPairs")
+
+	items := NewItemsFromPairs(
+		Pair[Status]{Value: Active, Name: "Active"},
+		Pair[Status]{Value: Inactive, Name: "Inactive"},
+	)
+
+	assert.Equal(2, len(items))
+	assert.Equal(Active, items[0].Value())
+	assert.Equal("Active", items[0].Name())
+	assert.Equal(Inactive, items[1].Value())
+	assert.Equal("Inactive", items[1].Name())
+}
+
+func TestItem_Valid(t *testing.T) {
+	t.Parallel()
+	assert := internal.NewAssert(t, "TestItem_Valid")
+
+	item := NewItem(Active, "Active")
+	assert.Equal(true, item.Valid())
+
+	invalidItem := NewItem(Unknown, "")
+	assert.Equal(false, invalidItem.Valid())
+}
+
+func TestItem_MarshalJSON(t *testing.T) {
+	t.Parallel()
+	assert := internal.NewAssert(t, "TestItem_MarshalJSON")
+
+	item := NewItem(Active, "Active")
+	data, err := item.MarshalJSON()
+	assert.IsNil(err)
+	assert.Equal("{\"name\":\"Active\",\"value\":1}", string(data))
+
+	var unmarshaledItem Item[Status]
+	err = unmarshaledItem.UnmarshalJSON(data)
+	assert.IsNil(err)
+	assert.Equal(item.Value(), unmarshaledItem.Value())
+	assert.Equal(item.Name(), unmarshaledItem.Name())
+}
+
+func TestRegistry_AddAndGet(t *testing.T) {
+	t.Parallel()
+	assert := internal.NewAssert(t, "TestRegistry_AddAndGet")
+
+	registry := NewRegistry[Status]()
+	item1 := NewItem(Active, "Active")
+	item2 := NewItem(Inactive, "Inactive")
+
+	registry.Add(item1, item2)
+
+	assert.Equal(2, registry.Size())
+
+	item, ok := registry.GetByValue(Active)
+	assert.Equal(true, ok)
+	assert.Equal("Active", item.Name())
+
+	item, ok = registry.GetByName("Inactive")
+	assert.Equal(true, ok)
+	assert.Equal(Inactive, item.Value())
+}
+
+func TestRegistry_Remove(t *testing.T) {
+	t.Parallel()
+	assert := internal.NewAssert(t, "TestRegistry_Remove")
+
+	registry := NewRegistry[Status]()
+	item1 := NewItem(Active, "Active")
+	item2 := NewItem(Inactive, "Inactive")
+
+	registry.Add(item1, item2)
+	assert.Equal(2, registry.Size())
+
+	removed := registry.Remove(Active)
+	assert.Equal(true, removed)
+	assert.Equal(1, registry.Size())
+
+	_, ok := registry.GetByValue(Active)
+	assert.Equal(false, ok)
+}
+
+func TestRegistry_Update(t *testing.T) {
+	t.Parallel()
+	assert := internal.NewAssert(t, "TestRegistry_Update")
+
+	registry := NewRegistry[Status]()
+	item1 := NewItem(Active, "Active")
+	registry.Add(item1)
+
+	updated := registry.Update(Active, "Activated")
+	assert.Equal(true, updated)
+
+	item, ok := registry.GetByValue(Active)
+	assert.Equal(true, ok)
+	assert.Equal("Activated", item.Name())
+}
+
+func TestRegistry_Contains(t *testing.T) {
+	t.Parallel()
+	assert := internal.NewAssert(t, "TestRegistry_Contains")
+
+	registry := NewRegistry[Status]()
+	item1 := NewItem(Active, "Active")
+	registry.Add(item1)
+
+	assert.Equal(true, registry.Contains(Active))
+	assert.Equal(false, registry.Contains(Inactive))
+}
+
+func TestRegistry_Range(t *testing.T) {
+	t.Parallel()
+	assert := internal.NewAssert(t, "TestRegistry_Range")
+
+	registry := NewRegistry[Status]()
+	item1 := NewItem(Active, "Active")
+	item2 := NewItem(Inactive, "Inactive")
+	registry.Add(item1, item2)
+
+	var values []Status
+	registry.Range(func(item *Item[Status]) bool {
+		values = append(values, item.Value())
+		return true
+	})
+
+	assert.Equal(2, len(values))
+	assert.Equal(Active, values[0])
+	assert.Equal(Inactive, values[1])
+}
+
+func TestRegistry_SortedItems(t *testing.T) {
+	t.Parallel()
+	assert := internal.NewAssert(t, "TestRegistry_SortedItems")
+
+	registry := NewRegistry[Status]()
+	item1 := NewItem(Inactive, "Inactive")
+	item2 := NewItem(Active, "Active")
+	registry.Add(item1, item2)
+
+	sortedItems := registry.SortedItems(func(i1, i2 *Item[Status]) bool {
+		return i1.value < i2.value
+	})
+
+	assert.Equal(2, len(sortedItems))
+	assert.Equal(Active, sortedItems[0].Value())
+	assert.Equal(Inactive, sortedItems[1].Value())
+}
+
+func TestRegistry_Filter(t *testing.T) {
+	t.Parallel()
+	assert := internal.NewAssert(t, "TestRegistry_Filter")
+
+	registry := NewRegistry[Status]()
+	item1 := NewItem(Active, "Active")
+	item2 := NewItem(Inactive, "Inactive")
+	registry.Add(item1, item2)
+
+	filteredItems := registry.Filter(func(item *Item[Status]) bool {
+		return item.Value() == Active
+	})
+
+	assert.Equal(1, len(filteredItems))
+	assert.Equal(Active, filteredItems[0].Value())
+}

eventbus/eventbus.go

@@ -21,7 +21,7 @@ type EventBus[T any] struct {
 	// listeners    map[string][]*EventListener[T]
 	listeners    sync.Map
 	mu           sync.RWMutex
-	errorHandler func(err error)
+	errorHandler func(topic string, err error)
 }
 
 // EventListener is the struct that holds the listener function and its priority.
@@ -117,7 +117,7 @@ func (eb *EventBus[T]) Publish(event Event[T]) {
 func (eb *EventBus[T]) publishToListener(listener *EventListener[T], event Event[T]) {
 	defer func() {
 		if r := recover(); r != nil && eb.errorHandler != nil {
-			eb.errorHandler(fmt.Errorf("%v", r))
+			eb.errorHandler(event.Topic, fmt.Errorf("%v", r))
 		}
 	}()
 
@@ -126,7 +126,7 @@ func (eb *EventBus[T]) publishToListener(listener *EventListener[T], event Event
 
 // SetErrorHandler sets the error handler function.
 // Play: https://go.dev/play/p/gmB0gnFe5mc
-func (eb *EventBus[T]) SetErrorHandler(handler func(err error)) {
+func (eb *EventBus[T]) SetErrorHandler(handler func(topic string, err error)) {
 	eb.errorHandler = handler
 }
 

eventbus/eventbus_example_test.go

@@ -189,8 +189,8 @@ func ExampleEventBus_GetListenersCount() {
 func ExampleEventBus_SetErrorHandler() {
 	eb := NewEventBus[int]()
 
-	eb.SetErrorHandler(func(err error) {
-		fmt.Println(err)
+	eb.SetErrorHandler(func(topic string, err error) {
+		fmt.Println(topic, err)
 	})
 
 	eb.Subscribe("event1", func(eventData int) {
@@ -200,7 +200,7 @@ func ExampleEventBus_SetErrorHandler() {
 	eb.Publish(Event[int]{Topic: "event1", Payload: 1})
 
 	// Output:
-	// error
+	// event1 error
 }
 
 func ExampleEventBus_GetAllListenersCount() {

eventbus/eventbus_test.go

@@ -114,7 +114,8 @@ func TestEventBus_ErrorHandler(t *testing.T) {
 
 	eb := NewEventBus[string]()
 
-	eb.SetErrorHandler(func(err error) {
+	eb.SetErrorHandler(func(topic string, err error) {
+		assert.Equal("event1", topic)
 		assert.Equal("error", err.Error())
 	})
 

function/predicate.go

@@ -18,7 +18,7 @@ func And[T any](predicates ...func(T) bool) func(T) bool {
 }
 
 // Nand returns a composed predicate that represents the logical NAND of a list of predicates.
-// It evaluates to true only if all predicates evaluate to false for the given value.
+// It evaluates to false only if all predicates evaluate to true for the given value.
 // Play: https://go.dev/play/p/Rb-FdNGpgSO
 func Nand[T any](predicates ...func(T) bool) func(T) bool {
 	if len(predicates) < 2 {
@@ -26,11 +26,11 @@ func Nand[T any](predicates ...func(T) bool) func(T) bool {
 	}
 	return func(value T) bool {
 		for _, predicate := range predicates {
-			if predicate(value) {
-				return false // Short-circuit on the first true predicate
+			if !predicate(value) {
+				return true // Short-circuit on the first false predicate
 			}
 		}
-		return true // True if all predicates are false
+		return false // False if all predicates are true
 	}
 }
 

function/predicate_example_test.go

@@ -65,7 +65,7 @@ func ExampleNand() {
 
 	// Output:
 	// false
-	// false
+	// true
 	// true
 }
 

function/predicate_test.go

@@ -65,7 +65,7 @@ func TestPredicatesNandPure(t *testing.T) {
 	)
 
 	assert.ShouldBeFalse(isNumericAndLength5("12345"))
-	assert.ShouldBeFalse(isNumericAndLength5("1234"))
+	assert.ShouldBeTrue(isNumericAndLength5("1234"))
 	assert.ShouldBeTrue(isNumericAndLength5("abcdef"))
 }
 

maputil/map.go

@@ -8,6 +8,7 @@ import (
 	"fmt"
 	"reflect"
 	"sort"
+	"strconv"
 	"strings"
 
 	"golang.org/x/exp/constraints"
@@ -680,3 +681,150 @@ func FindValuesBy[K comparable, V any](m map[K]V, predicate func(key K, value V)
 
 	return result
 }
+
+// ToMarkdownTable converts a slice of maps to a Markdown table.
+// Play: ttps://go.dev/play/p/todo
+func ToMarkdownTable(data []map[string]interface{}, headerMap map[string]string, columnOrder []string) string {
+	if len(data) == 0 {
+		return "| |\n|---|\n"
+	}
+
+	var headers []string
+
+	// 如果提供了columnOrder，则按指定顺序排列
+	if len(columnOrder) > 0 {
+		headers = make([]string, len(columnOrder))
+		copy(headers, columnOrder)
+	} else {
+		// 否则按自然顺序提取headers
+		seen := make(map[string]bool)
+		for _, row := range data {
+			for k := range row {
+				if !seen[k] {
+					seen[k] = true
+					headers = append(headers, k)
+				}
+			}
+		}
+	}
+
+	var builder strings.Builder
+
+	// Header row - 使用映射的中文标题
+	builder.WriteString("| ")
+	for i, h := range headers {
+		// 如果有映射则使用中文标题，否则使用原字段名
+		displayHeader := h
+		if headerMap != nil && headerMap[h] != "" {
+			displayHeader = headerMap[h]
+		}
+		builder.WriteString(displayHeader)
+		if i < len(headers)-1 {
+			builder.WriteString(" | ")
+		}
+	}
+	builder.WriteString(" |\n")
+
+	// Separator
+	builder.WriteString("|")
+	for i := range headers {
+		if i > 0 {
+			builder.WriteString("|")
+		}
+		builder.WriteString("---")
+	}
+	builder.WriteString("|\n")
+
+	// Data rows
+	for _, row := range data {
+		builder.WriteString("| ")
+		for i, h := range headers {
+			val, exists := row[h]
+			var cell string
+			if !exists {
+				cell = ""
+			} else {
+				cell = formatValue(val)
+			}
+			builder.WriteString(cell)
+			if i < len(headers)-1 {
+				builder.WriteString(" | ")
+			}
+		}
+		builder.WriteString(" |\n")
+	}
+
+	return builder.String()
+}
+
+// formatValue formats any value for display in Markdown table
+func formatValue(v interface{}) string {
+	switch val := v.(type) {
+	case int:
+		return commaInt64(int64(val))
+	case int8:
+		return commaInt64(int64(val))
+	case int16:
+		return commaInt64(int64(val))
+	case int32:
+		return commaInt64(int64(val))
+	case int64:
+		return commaInt64(val)
+	case uint:
+		return commaUint64(uint64(val))
+	case uint8:
+		return commaUint64(uint64(val))
+	case uint16:
+		return commaUint64(uint64(val))
+	case uint32:
+		return commaUint64(uint64(val))
+	case uint64:
+		return commaUint64(val)
+	case float32:
+		return fmt.Sprintf("%.2f", val)
+	case float64:
+		return fmt.Sprintf("%.2f", val)
+	case string:
+		return val
+	case bool:
+		return fmt.Sprintf("%t", val)
+	case nil:
+		return ""
+	default:
+		return fmt.Sprintf("%v", val)
+	}
+}
+
+// commaInt64 adds comma separators to int64
+func commaInt64(n int64) string {
+	if n == 0 {
+		return "0"
+	}
+	neg := n < 0
+	if neg {
+		n = -n
+	}
+	s := strconv.FormatInt(n, 10)
+	return addCommas(s)
+}
+
+// commaUint64 adds comma separators to uint64
+func commaUint64(n uint64) string {
+	if n == 0 {
+		return "0"
+	}
+	s := strconv.FormatUint(n, 10)
+	return addCommas(s)
+}
+
+// addCommas inserts commas every 3 digits
+func addCommas(s string) string {
+	var result strings.Builder
+	for i, c := range s {
+		if i > 0 && (len(s)-i)%3 == 0 {
+			result.WriteRune(',')
+		}
+		result.WriteRune(c)
+	}
+	return result.String()
+}

maputil/map_test.go

@@ -1,6 +1,7 @@
 package maputil
 
 import (
+	"fmt"
 	"math/cmplx"
 	"sort"
 	"strconv"
@@ -926,3 +927,46 @@ func TestFindValuesBy(t *testing.T) {
 		assert.Equal(tt.expected, result)
 	}
 }
+
+func TestToMarkdownTable(t *testing.T) {
+	// 测试空数据
+	emptyResult := ToMarkdownTable([]map[string]interface{}{}, nil, nil)
+	expectedEmpty := "| |\n|---|\n"
+	if emptyResult != expectedEmpty {
+		t.Errorf("Expected empty table, got: %s", emptyResult)
+	}
+
+	// 测试基本数据
+	data := []map[string]interface{}{
+		{"name": "Alice", "age": 25, "salary": 50000},
+		{"name": "Bob", "age": 30, "salary": 60000},
+	}
+	result := ToMarkdownTable(data, nil, nil)
+	fmt.Printf("%s", result)
+	// 验证结果包含预期的表头和数据行
+}
+
+// 测试自定义列顺序
+func TestToMarkdownTableWithColumnOrder(t *testing.T) {
+	data := []map[string]interface{}{
+		{"name": "Alice", "age": 25, "salary": 50000},
+	}
+	columnOrder := []string{"salary", "name", "age"}
+	result := ToMarkdownTable(data, nil, columnOrder)
+	fmt.Printf("%s", result)
+	// 验证列顺序是否正确
+}
+
+// 测试自定义表头
+func TestToMarkdownTableWithHeaderMap(t *testing.T) {
+	data := []map[string]interface{}{
+		{"name": "Alice", "age": 25},
+	}
+	headerMap := map[string]string{
+		"name": "姓名",
+		"age":  "年龄",
+	}
+	result := ToMarkdownTable(data, headerMap, nil)
+	fmt.Printf("%s", result)
+	// 验证中文表头是否正确显示
+}

mathutil/mathutil.go

@@ -238,6 +238,9 @@ func Sum[T constraints.Integer | constraints.Float](numbers ...T) T {
 // Average return average value of numbers.
 // Play: https://go.dev/play/p/Vv7LBwER-pz
 func Average[T constraints.Integer | constraints.Float](numbers ...T) float64 {
+	if len(numbers) == 0 {
+		return 0
+	}
 	var sum float64
 	for _, num := range numbers {
 		sum += float64(num)

slice/slice.go

@@ -74,6 +74,27 @@ func ContainSubSlice[T comparable](slice, subSlice []T) bool {
 	return true
 }
 
+// ContainAny check if the slice contains any element from the targets slice.
+// Play: https://go.dev/play/p/4xoxhc9XSSw
+func ContainAny[T comparable](slice []T, targets []T) bool {
+	if len(targets) == 0 {
+		return false
+	}
+
+	sliceMap := make(map[T]struct{}, len(slice))
+	for _, item := range slice {
+		sliceMap[item] = struct{}{}
+	}
+
+	for _, target := range targets {
+		if _, exists := sliceMap[target]; exists {
+			return true
+		}
+	}
+
+	return false
+}
+
 // Chunk creates a slice of elements split into groups the length of size.
 // Play: https://go.dev/play/p/b4Pou5j2L_C
 func Chunk[T any](slice []T, size int) [][]T {
@@ -507,19 +528,17 @@ func flattenRecursive(value reflect.Value, result reflect.Value) reflect.Value {
 }
 
 // ForEach iterates over elements of slice and invokes function for each element.
-// Play: https://go.dev/play/p/DrPaa4YsHRF
 func ForEach[T any](slice []T, iteratee func(index int, item T)) {
-	for i := 0; i < len(slice); i++ {
-		iteratee(i, slice[i])
+	for idx, elem := range slice {
+		iteratee(idx, elem)
 	}
 }
 
 // ForEachWithBreak iterates over elements of slice and invokes function for each element,
-// when iteratee return false, will break the for each loop.
-// Play: https://go.dev/play/p/qScs39f3D9W
+// when function return false, will break the for each loop.
 func ForEachWithBreak[T any](slice []T, iteratee func(index int, item T) bool) {
-	for i := 0; i < len(slice); i++ {
-		if !iteratee(i, slice[i]) {
+	for idx, elem := range slice {
+		if !iteratee(idx, elem) {
 			break
 		}
 	}
@@ -692,11 +711,12 @@ func IntSlice(slice any) []int {
 // DeleteAt delete the element of slice at index.
 // Play: https://go.dev/play/p/800B1dPBYyd
 func DeleteAt[T any](slice []T, index int) []T {
+	result := append([]T(nil), slice...)
+
 	if index < 0 || index >= len(slice) {
-		return slice[:len(slice)-1]
+		return result[:len(slice)-1]
 	}
 
-	result := append([]T(nil), slice...)
 	copy(result[index:], result[index+1:])
 
 	// Set the last element to zero value, clean up the memory.
@@ -736,7 +756,8 @@ func Drop[T any](slice []T, n int) []T {
 	}
 
 	if n <= 0 {
-		return slice
+		result := make([]T, 0, size)
+		return append(result, slice...)
 	}
 
 	result := make([]T, 0, size-n)
@@ -754,7 +775,8 @@ func DropRight[T any](slice []T, n int) []T {
 	}
 
 	if n <= 0 {
-		return slice
+		result := make([]T, 0, size)
+		return append(result, slice...)
 	}
 
 	result := make([]T, 0, size-n)
@@ -800,7 +822,9 @@ func InsertAt[T any](slice []T, index int, value any) []T {
 	size := len(slice)
 
 	if index < 0 || index > size {
-		return slice
+		result := make([]T, size)
+		copy(result, slice)
+		return result
 	}
 
 	switch v := value.(type) {
@@ -817,21 +841,21 @@ func InsertAt[T any](slice []T, index int, value any) []T {
 		copy(result[index+len(v):], slice[index:])
 		return result
 	default:
-		return slice
+		result := make([]T, size)
+		copy(result, slice)
+		return result
 	}
 }
 
 // UpdateAt update the slice element at index.
 // Play: https://go.dev/play/p/f3mh2KloWVm
 func UpdateAt[T any](slice []T, index int, value T) []T {
-	if index < 0 || index >= len(slice) {
-		return slice
-	}
-
 	result := make([]T, len(slice))
 	copy(result, slice)
 
-	result[index] = value
+	if index >= 0 && index < len(slice) {
+		result[index] = value
+	}
 
 	return result
 }
@@ -1021,7 +1045,9 @@ func SymmetricDifference[T comparable](slices ...[]T) []T {
 		return []T{}
 	}
 	if len(slices) == 1 {
-		return Unique(slices[0])
+		result := make([]T, len(slices[0]))
+		copy(result, slices[0])
+		return Unique(result)
 	}
 
 	result := make([]T, 0)
@@ -1042,6 +1068,7 @@ func SymmetricDifference[T comparable](slices ...[]T) []T {
 }
 
 // Reverse return slice of element order is reversed to the given slice.
+// Reverse modifies the slice in place.
 // Play: https://go.dev/play/p/8uI8f1lwNrQ
 func Reverse[T any](slice []T) {
 	for i, j := 0, len(slice)-1; i < j; i, j = i+1, j-1 {
@@ -1049,7 +1076,8 @@ func Reverse[T any](slice []T) {
 	}
 }
 
-// ReverseCopy return a new slice of element order is reversed to the given slice.
+// ReverseCopy return a new slice of element where the order is reversed to the given
+// slice.
 // Play: https://go.dev/play/p/c9arEaP7Cg-
 func ReverseCopy[T any](slice []T) []T {
 	result := make([]T, len(slice))
@@ -1067,7 +1095,7 @@ func Shuffle[T any](slice []T) []T {
 	rand.Seed(time.Now().UnixNano())
 
 	rand.Shuffle(len(slice), func(i, j int) {
-		slice[i], slice[j] = slice[j], slice[i]
+		swap(slice, i, j)
 	})
 
 	return slice
@@ -1240,11 +1268,12 @@ func SortByField[T any](slice []T, field string, sortType ...string) error {
 // Without creates a slice excluding all given items.
 // Play: https://go.dev/play/p/bwhEXEypThg
 func Without[T comparable](slice []T, items ...T) []T {
+	result := make([]T, 0, len(slice))
+
 	if len(items) == 0 || len(slice) == 0 {
-		return slice
+		return append(result, slice...)
 	}
 
-	result := make([]T, 0, len(slice))
 	for _, v := range slice {
 		if !Contain(items, v) {
 			result = append(result, v)
@@ -1465,36 +1494,28 @@ func Random[T any](slice []T) (val T, idx int) {
 	return slice[idx], idx
 }
 
-// RightPadding adds padding to the right end of a slice.
+// RightPadding returns a copy of the slice padding the given value to the right end of a slice.
+// If paddingLength is zero or less, the function returns a copy of the slice.
 // Play: https://go.dev/play/p/0_2rlLEMBXL
 func RightPadding[T any](slice []T, paddingValue T, paddingLength int) []T {
-	if paddingLength == 0 {
-		return slice
+	suffix := []T{}
+	if paddingLength > 0 {
+		suffix = repeat([]T{paddingValue}, paddingLength)
 	}
-	for i := 0; i < paddingLength; i++ {
-		slice = append(slice, paddingValue)
-	}
-	return slice
+	padded := concat(slice, suffix)
+	return padded
 }
 
-// LeftPadding adds padding to the left begin of a slice.
+// LeftPadding returns a copy of the slice padding the given value to the left begin of a slice.
+// If paddingLength is zero or less, the function returns a copy of the slice.
 // Play: https://go.dev/play/p/jlQVoelLl2k
 func LeftPadding[T any](slice []T, paddingValue T, paddingLength int) []T {
-	if paddingLength == 0 {
-		return slice
+	prefix := []T{}
+	if paddingLength > 0 {
+		prefix = repeat([]T{paddingValue}, paddingLength)
 	}
-
-	paddedSlice := make([]T, len(slice)+paddingLength)
-	i := 0
-	for ; i < paddingLength; i++ {
-		paddedSlice[i] = paddingValue
-	}
-	for j := 0; j < len(slice); j++ {
-		paddedSlice[i] = slice[j]
-		i++
-	}
-
-	return paddedSlice
+	padded := concat(prefix, slice)
+	return padded
 }
 
 // Frequency counts the frequency of each element in the slice.

slice/slice_example_test.go

@@ -58,6 +58,24 @@ func ExampleContainSubSlice() {
 	// false
 }
 
+func ExampleContainAny() {
+	result1 := ContainAny([]string{"a", "b", "c"}, []string{"a"})
+	result2 := ContainAny([]string{"a", "b", "c"}, []string{"d", "e"})
+	result3 := ContainAny([]string{"a", "b", "c"}, []string{"d", "a"})
+	result4 := ContainAny([]string{"a", "b", "c"}, []string{})
+
+	fmt.Println(result1)
+	fmt.Println(result2)
+	fmt.Println(result3)
+	fmt.Println(result4)
+
+	// Output:
+	// true
+	// false
+	// true
+	// false
+}
+
 func ExampleChunk() {
 	arr := []string{"a", "b", "c", "d", "e"}
 
@@ -831,7 +849,7 @@ func ExampleUniqueByComparator() {
 	})
 
 	caseInsensitiveStrings := UniqueByComparator([]string{"apple", "banana", "Apple", "cherry", "Banana", "date"}, func(item string, other string) bool {
-		return strings.ToLower(item) == strings.ToLower(other)
+		return strings.EqualFold(item, other)
 	})
 
 	fmt.Println(uniqueNums)

slice/slice_internal.go

@@ -2,6 +2,7 @@ package slice
 
 import (
 	"fmt"
+	"math/bits"
 	"reflect"
 
 	"golang.org/x/exp/constraints"
@@ -96,3 +97,71 @@ func partitionAnySlice[T any](slice []T, lowIndex, highIndex int, less func(a, b
 func swap[T any](slice []T, i, j int) {
 	slice[i], slice[j] = slice[j], slice[i]
 }
+
+// `repeat` returns a new slice that repeats the provided slice the given number of
+// times. The result has length and capacity (len(x) * count). The result is never nil.
+// Repeat panics if count is negative or if the result of (len(x) * count)  overflows.
+//
+// repeat has been provided in the standard lib within the package `slices` under the
+// name Repeat since GO version 1.21 onwards. As lancet commits to compatibility with GO
+// 1.18 onwards, we implement the functionality as an internal function.
+func repeat[S ~[]E, E any](x S, count int) S {
+	if count < 0 {
+		panic("count cannot be negative")
+	}
+
+	const maxInt = ^uint(0) >> 1
+	hi, lo := bits.Mul(uint(len(x)), uint(count))
+	if hi > 0 || lo > maxInt {
+		panic("the result of (len(x) * count) overflows")
+	}
+
+	newslice := make(S, int(lo)) // lo = len(x) * count
+	n := copy(newslice, x)
+	for n < len(newslice) {
+		n += copy(newslice[n:], newslice[:n])
+	}
+	return newslice
+}
+
+// concat returns a new slice concatenating the passed in slices.
+//
+// concat has been provided in the standard lib within the package `slices` under the
+// name Concat since GO version 1.21 onwards. As lancet commits to compatibility with GO
+// 1.18 onwards, we implement the functionality as an internal function.
+func concat[S ~[]E, E any](slices ...S) S {
+	size := 0
+	for _, s := range slices {
+		size += len(s)
+		if size < 0 {
+			panic("len out of range")
+		}
+	}
+	// Use Grow, not make, to round up to the size class:
+	// the extra space is otherwise unused and helps
+	// callers that append a few elements to the result.
+	newslice := grow[S](nil, size)
+	for _, s := range slices {
+		newslice = append(newslice, s...)
+	}
+	return newslice
+}
+
+// grow increases the slice's capacity, if necessary, to guarantee space for
+// another n elements. After grow(n), at least n elements can be appended
+// to the slice without another allocation. If n is negative or too large to
+// allocate the memory, grow panics.
+//
+// grow has been provided in the standard lib within the package `slices` under the
+// name Grow since GO version 1.21 onwards. As lancet commits to compatibility with GO
+// 1.18 onwards, we implement the functionality as an internal function.
+func grow[S ~[]E, E any](s S, n int) S {
+	if n < 0 {
+		panic("cannot be negative")
+	}
+	if n -= cap(s) - len(s); n > 0 {
+		// This expression allocates only once.
+		s = append(s[:cap(s)], make([]E, n)...)[:len(s)]
+	}
+	return s
+}

slice/slice_test.go

@@ -89,6 +89,46 @@ func TestContainSubSlice(t *testing.T) {
 	}
 }
 
+func TestContainAny(t *testing.T) {
+	t.Parallel()
+
+	assert := internal.NewAssert(t, "TestContainAny")
+
+	tests := []struct {
+		slice   []string
+		targets []string
+		want    bool
+	}{
+		{[]string{"a", "b", "c"}, []string{"a"}, true},
+		{[]string{"a", "b", "c"}, []string{"a", "b"}, true},
+		{[]string{"a", "b", "c"}, []string{"d", "e"}, false},
+		{[]string{"a", "b", "c"}, []string{"d", "a"}, true},
+		{[]string{"a", "b", "c"}, []string{}, false},
+		{[]string{}, []string{"a"}, false},
+		{[]string{}, []string{}, false},
+		{[]string{"a", "b", "c"}, []string{"c", "d", "e"}, true},
+	}
+
+	for _, tt := range tests {
+		assert.Equal(tt.want, ContainAny(tt.slice, tt.targets))
+	}
+
+	intTests := []struct {
+		slice   []int
+		targets []int
+		want    bool
+	}{
+		{[]int{1, 2, 3, 4, 5}, []int{3}, true},
+		{[]int{1, 2, 3, 4, 5}, []int{6, 7}, false},
+		{[]int{1, 2, 3, 4, 5}, []int{5, 6, 7}, true},
+		{[]int{1, 2, 3, 4, 5}, []int{}, false},
+	}
+
+	for _, tt := range intTests {
+		assert.Equal(tt.want, ContainAny(tt.slice, tt.targets))
+	}
+}
+
 func TestChunk(t *testing.T) {
 	t.Parallel()
 
@@ -1008,7 +1048,7 @@ func TestUniqueByComparator(t *testing.T) {
 	t.Run("case-insensitive string comparison", func(t *testing.T) {
 		stringSlice := []string{"apple", "banana", "Apple", "cherry", "Banana", "date"}
 		caseInsensitiveComparator := func(item, other string) bool {
-			return strings.ToLower(item) == strings.ToLower(other)
+			return strings.EqualFold(item, other)
 		}
 
 		result := UniqueByComparator(stringSlice, caseInsensitiveComparator)
@@ -1756,6 +1796,20 @@ func TestRightPaddingAndLeftPadding(t *testing.T) {
 
 	padded := LeftPadding(RightPadding(nums, 0, 3), 0, 3)
 	assert.Equal([]int{0, 0, 0, 1, 2, 3, 4, 5, 0, 0, 0}, padded)
+
+	// Test with negative padding length
+	paddedNegative := LeftPadding(RightPadding(nums, 0, -3), 0, -3)
+	assert.Equal([]int{1, 2, 3, 4, 5}, paddedNegative)
+
+	// Test with empty slice
+	empty := []int{}
+	paddedEmpty := LeftPadding(RightPadding(empty, 0, 3), 0, 3)
+	assert.Equal([]int{0, 0, 0, 0, 0, 0}, paddedEmpty)
+
+	// Test with nil
+	nilSlice := []int(nil)
+	paddedNil := LeftPadding(RightPadding(nilSlice, 0, 3), 0, 3)
+	assert.Equal([]int{0, 0, 0, 0, 0, 0}, paddedNil)
 }
 
 func TestUniqueByConcurrent(t *testing.T) {

structs/field.go

@@ -26,26 +26,31 @@ func newField(v reflect.Value, f reflect.StructField, tagName string) *Field {
 }
 
 // Tag returns the value that the key in the tag string.
+// Play: https://go.dev/play/p/DVrx5HvvUJr
 func (f *Field) Tag() *Tag {
 	return f.tag
 }
 
 // Value returns the underlying value of the field.
+// Play: https://go.dev/play/p/qufYEU2o4Oi
 func (f *Field) Value() any {
 	return f.rvalue.Interface()
 }
 
 // IsEmbedded returns true if the given field is an embedded field.
+// Play: https://go.dev/play/p/wV2PrbYm3Ec
 func (f *Field) IsEmbedded() bool {
 	return len(f.field.Index) > 1
 }
 
 // IsExported returns true if the given field is exported.
+// Play: https://go.dev/play/p/csK4AXYaNbJ
 func (f *Field) IsExported() bool {
 	return f.field.IsExported()
 }
 
 // IsZero returns true if the given field is zero value.
+// Play: https://go.dev/play/p/RzqpGISf87r
 func (f *Field) IsZero() bool {
 	z := reflect.Zero(f.rvalue.Type()).Interface()
 	v := f.Value()
@@ -63,22 +68,26 @@ func (f *Field) IsNil() bool {
 }
 
 // Name returns the name of the given field
+// Play: https://go.dev/play/p/zfIGlqsatee
 func (f *Field) Name() string {
 	return f.field.Name
 }
 
 // Kind returns the field's kind
+// Play: https://go.dev/play/p/wg4NlcUNG5o
 func (f *Field) Kind() reflect.Kind {
 	return f.rvalue.Kind()
 }
 
 // IsSlice check if a struct field type is slice or not
+// Play: https://go.dev/play/p/MKz4CgBIUrU
 func (f *Field) IsSlice() bool {
 	k := f.rvalue.Kind()
 	return k == reflect.Slice
 }
 
 // IsTargetType check if a struct field type is target type or not
+// Play: https://go.dev/play/p/Ig75P-agN39
 func (f *Field) IsTargetType(targetType reflect.Kind) bool {
 	return f.rvalue.Kind() == targetType
 }

structs/struct.go

@@ -20,6 +20,7 @@ type Struct struct {
 }
 
 // New returns a new *Struct
+// Play: https://go.dev/play/p/O29l8kk-Z17
 func New(value any, tagName ...string) *Struct {
 	value = pointer.ExtractPointer(value)
 	v := reflect.ValueOf(value)
@@ -60,6 +61,7 @@ func New(value any, tagName ...string) *Struct {
 //	 	Name string `json:"myName"`
 //
 // ToMap convert the exported fields of a struct to map.
+// Play: https://go.dev/play/p/qQbLySBgerZ
 func (s *Struct) ToMap() (map[string]any, error) {
 	if !s.IsStruct() {
 		return nil, fmt.Errorf("invalid struct %v", s)
@@ -87,6 +89,7 @@ func (s *Struct) ToMap() (map[string]any, error) {
 }
 
 // Fields returns all the struct fields within a slice
+// Play: https://go.dev/play/p/w3Kk_CyVY7D
 func (s *Struct) Fields() []*Field {
 	fieldNum := s.rvalue.NumField()
 	fields := make([]*Field, 0, fieldNum)
@@ -100,6 +103,7 @@ func (s *Struct) Fields() []*Field {
 }
 
 // Field returns a Field if the given field name was found
+// Play: https://go.dev/play/p/KocZMSYarza
 func (s *Struct) Field(name string) (*Field, bool) {
 	f, ok := s.rtype.FieldByName(name)
 	if !ok {
@@ -109,6 +113,7 @@ func (s *Struct) Field(name string) (*Field, bool) {
 }
 
 // IsStruct returns true if the given rvalue is a struct
+// Play: https://go.dev/play/p/bU2FSdkbK1C
 func (s *Struct) IsStruct() bool {
 	k := s.rvalue.Kind()
 	if k == reflect.Invalid {
@@ -119,6 +124,13 @@ func (s *Struct) IsStruct() bool {
 
 // ToMap convert struct to map, only convert exported struct field
 // map key is specified same as struct field tag `json` value.
+// Play: https://go.dev/play/p/qQbLySBgerZ
 func ToMap(v any) (map[string]any, error) {
 	return New(v).ToMap()
 }
+
+// TypeName return struct type name
+// Play: https://go.dev/play/p/todo
+func (s *Struct) TypeName() string {
+	return s.rtype.Name()
+}

structs/struct_test.go

@@ -177,3 +177,21 @@ func TestStruct_IsStruct(t *testing.T) {
 	assert.Equal(true, s1.IsStruct())
 	assert.Equal(false, s2.IsStruct())
 }
+
+func TestStruct_TypeName(t *testing.T) {
+	t.Parallel()
+
+	assert := internal.NewAssert(t, "TestStruct_TypeName")
+
+	type Test1 struct{}
+	t1 := &Test1{}
+
+	s1 := New(t1)
+	assert.Equal("Test1", s1.TypeName())
+
+	type Test2 struct{}
+	t2 := Test2{}
+
+	s2 := New(t2)
+	assert.Equal("Test2", s2.TypeName())
+}

validator/validator.go

@@ -19,30 +19,45 @@ import (
 )
 
 var (
-	alphaMatcher           *regexp.Regexp = regexp.MustCompile(`^[a-zA-Z]+$`)
-	letterRegexMatcher     *regexp.Regexp = regexp.MustCompile(`[a-zA-Z]`)
-	alphaNumericMatcher    *regexp.Regexp = regexp.MustCompile(`^[a-zA-Z0-9-]+$`)
-	numberRegexMatcher     *regexp.Regexp = regexp.MustCompile(`\d`)
-	intStrMatcher          *regexp.Regexp = regexp.MustCompile(`^[\+-]?\d+$`)
-	urlMatcher             *regexp.Regexp = regexp.MustCompile(`^((ftp|http|https?):\/\/)?(\S+(:\S*)?@)?((([1-9]\d?|1\d\d|2[01]\d|22[0-3])(\.(1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.([0-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(([a-zA-Z0-9]+([-\.][a-zA-Z0-9]+)*)|((www\.)?))?(([a-z\x{00a1}-\x{ffff}0-9]+-?-?)*[a-z\x{00a1}-\x{ffff}0-9]+)(?:\.([a-z\x{00a1}-\x{ffff}]{2,}))?))(:(\d{1,5}))?((\/|\?|#)[^\s]*)?$`)
-	dnsMatcher             *regexp.Regexp = regexp.MustCompile(`^(?:[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?\.)+[a-zA-Z]{2,}$`)
-	emailMatcher           *regexp.Regexp = regexp.MustCompile(`^[a-z0-9._%+\-]+@[a-z0-9.\-]+\.[a-z]{2,4}$`)
-	chineseMobileMatcher   *regexp.Regexp = regexp.MustCompile(`^1(?:3\d|4[4-9]|5[0-35-9]|6[67]|7[013-8]|8\d|9\d)\d{8}$`)
-	chineseIdMatcher       *regexp.Regexp = regexp.MustCompile(`^(\d{17})([0-9]|X|x)$`)
-	chineseMatcher         *regexp.Regexp = regexp.MustCompile("[\u4e00-\u9fa5]")
-	chinesePhoneMatcher    *regexp.Regexp = regexp.MustCompile(`\d{3}-\d{8}|\d{4}-\d{7}|\d{4}-\d{8}`)
-	creditCardMatcher      *regexp.Regexp = regexp.MustCompile(`^(?:4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|(222[1-9]|22[3-9][0-9]|2[3-6][0-9]{2}|27[01][0-9]|2720)[0-9]{12}|6(?:011|5[0-9][0-9])[0-9]{12}|3[47][0-9]{13}|3(?:0[0-5]|[68][0-9])[0-9]{11}|(?:2131|1800|35\\d{3})\\d{11}|6[27][0-9]{14})$`)
-	base64Matcher          *regexp.Regexp = regexp.MustCompile(`^(?:[A-Za-z0-9+\\/]{4})*(?:[A-Za-z0-9+\\/]{2}==|[A-Za-z0-9+\\/]{3}=|[A-Za-z0-9+\\/]{4})$`)
-	base64URLMatcher       *regexp.Regexp = regexp.MustCompile(`^([A-Za-z0-9_-]{4})*([A-Za-z0-9_-]{2}(==)?|[A-Za-z0-9_-]{3}=?)?$`)
-	binMatcher             *regexp.Regexp = regexp.MustCompile(`^(0b)?[01]+$`)
-	hexMatcher             *regexp.Regexp = regexp.MustCompile(`^(#|0x|0X)?[0-9a-fA-F]+$`)
-	visaMatcher            *regexp.Regexp = regexp.MustCompile(`^4[0-9]{12}(?:[0-9]{3})?$`)
-	masterCardMatcher      *regexp.Regexp = regexp.MustCompile(`^5[1-5][0-9]{14}$`)
-	americanExpressMatcher *regexp.Regexp = regexp.MustCompile(`^3[47][0-9]{13}$`)
-	unionPay               *regexp.Regexp = regexp.MustCompile("^62[0-5]\\d{13,16}$")
-	chinaUnionPay          *regexp.Regexp = regexp.MustCompile(`^62[0-9]{14,17}$`)
+	alphaMatcher        *regexp.Regexp = regexp.MustCompile(`^[a-zA-Z]+$`)
+	letterRegexMatcher  *regexp.Regexp = regexp.MustCompile(`[a-zA-Z]`)
+	alphaNumericMatcher *regexp.Regexp = regexp.MustCompile(`^[a-zA-Z0-9-]+$`)
+	numberRegexMatcher  *regexp.Regexp = regexp.MustCompile(`\d`)
+	intStrMatcher       *regexp.Regexp = regexp.MustCompile(`^[\+-]?\d+$`)
+	// dnsMatcher               *regexp.Regexp = regexp.MustCompile(`^(?:[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?\.)+[a-zA-Z]{2,}$`)
+	dnsMatcher               *regexp.Regexp = regexp.MustCompile(`^(?:[a-zA-Z0-9](?:[a-zA-Z0-9\-]{0,61}[a-zA-Z0-9])?\.)*(?:xn--[a-zA-Z0-9\-]{1,59}|[a-zA-Z0-9](?:[a-zA-Z0-9\-]{0,61}[a-zA-Z0-9])?)$`)
+	chineseMobileMatcher     *regexp.Regexp = regexp.MustCompile(`^1(?:3\d|4[4-9]|5[0-35-9]|6[67]|7[013-8]|8\d|9\d)\d{8}$`)
+	chineseIdMatcher         *regexp.Regexp = regexp.MustCompile(`([1-9]\d{5}(18|19|([23]\d))\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\d{3}[0-9Xx])|([1-9]\d{5}\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\d{2}[0-9Xx])`)
+	chineseMatcher           *regexp.Regexp = regexp.MustCompile("[\u4e00-\u9fa5]")
+	chinesePhoneMatcher      *regexp.Regexp = regexp.MustCompile(`\d{3}-\d{8}|\d{4}-\d{7}|\d{4}-\d{8}`)
+	creditCardMatcher        *regexp.Regexp = regexp.MustCompile(`^(?:4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|(222[1-9]|22[3-9][0-9]|2[3-6][0-9]{2}|27[01][0-9]|2720)[0-9]{12}|6(?:011|5[0-9][0-9])[0-9]{12}|3[47][0-9]{13}|3(?:0[0-5]|[68][0-9])[0-9]{11}|(?:2131|1800|35\\d{3})\\d{11}|6[27][0-9]{14})$`)
+	base64Matcher            *regexp.Regexp = regexp.MustCompile(`^(?:[A-Za-z0-9+\\/]{4})*(?:[A-Za-z0-9+\\/]{2}==|[A-Za-z0-9+\\/]{3}=|[A-Za-z0-9+\\/]{4})$`)
+	base64URLMatcher         *regexp.Regexp = regexp.MustCompile(`^([A-Za-z0-9_-]{4})*([A-Za-z0-9_-]{2}(==)?|[A-Za-z0-9_-]{3}=?)?$`)
+	binMatcher               *regexp.Regexp = regexp.MustCompile(`^(0b)?[01]+$`)
+	hexMatcher               *regexp.Regexp = regexp.MustCompile(`^(#|0x|0X)?[0-9a-fA-F]+$`)
+	visaMatcher              *regexp.Regexp = regexp.MustCompile(`^4[0-9]{12}(?:[0-9]{3})?$`)
+	masterCardMatcher        *regexp.Regexp = regexp.MustCompile(`^5[1-5][0-9]{14}$`)
+	americanExpressMatcher   *regexp.Regexp = regexp.MustCompile(`^3[47][0-9]{13}$`)
+	chinaUnionPayMatcher     *regexp.Regexp = regexp.MustCompile(`^62[0-9]{14,17}$`)
+	chineseHMPassportMatcher *regexp.Regexp = regexp.MustCompile(`^[CM]\d{8}$`)
 )
 
+var passportMatcher = map[string]*regexp.Regexp{
+	"CN": regexp.MustCompile(`^P\d{9}$`),
+	"US": regexp.MustCompile(`^\d{9}$`),
+	"GB": regexp.MustCompile(`^[A-Z0-9]{9}$`),
+	"RU": regexp.MustCompile(`^[A-Z]{2}\d{7}$`),
+	"DE": regexp.MustCompile(`^\d{9}$`),
+	"FR": regexp.MustCompile(`^[A-Z]{2}\d{7}$`),
+	"JP": regexp.MustCompile(`^\d{8}$`),
+	"IT": regexp.MustCompile(`^\d{8}$`),
+	"AU": regexp.MustCompile(`^[A-Z]{1}\d{8}$`),
+	"BR": regexp.MustCompile(`^\d{9}$`),
+	"IN": regexp.MustCompile(`^[A-Z]{1,2}\d{7}$`),
+	"HK": regexp.MustCompile(`^M\d{8}$`),
+	"MO": regexp.MustCompile(`^[A-Z]\d{8}$`),
+}
+
 var (
 	// Identity card formula
 	factor = [17]int{7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2}
@@ -258,21 +273,45 @@ func IsPort(str string) bool {
 // IsUrl check if the string is url.
 // Play: https://go.dev/play/p/pbJGa7F98Ka
 func IsUrl(str string) bool {
-	if str == "" || len(str) >= 2083 || len(str) <= 3 || strings.HasPrefix(str, ".") {
-		return false
-	}
-	u, err := url.Parse(str)
-	if err != nil {
-		return false
-	}
-	if strings.HasPrefix(u.Host, ".") {
-		return false
-	}
-	if u.Host == "" && (u.Path != "" && !strings.Contains(u.Path, ".")) {
+	if str == "" {
 		return false
 	}
 
-	return urlMatcher.MatchString(str)
+	u, err := url.Parse(str)
+	if err != nil || u.Scheme == "" || u.Host == "" {
+		return false
+	}
+
+	allowedSchemes := map[string]struct{}{
+		"http":   {},
+		"https":  {},
+		"ftp":    {},
+		"ws":     {},
+		"wss":    {},
+		"file":   {},
+		"mailto": {},
+		"data":   {},
+	}
+
+	if _, ok := allowedSchemes[u.Scheme]; !ok {
+		return false
+	}
+
+	if u.Scheme == "file" || u.Scheme == "mailto" || u.Scheme == "data" {
+		return true
+	}
+
+	host := u.Hostname()
+	if !strings.Contains(host, ".") || strings.HasSuffix(host, ".") {
+		return false
+	}
+
+	// domainRegexp := regexp.MustCompile(`^[a-zA-Z0-9][a-zA-Z0-9\-\.]*[a-zA-Z0-9]$`)
+	if !dnsMatcher.MatchString(host) {
+		return false
+	}
+
+	return true
 }
 
 // IsDns check if the string is dns.
@@ -286,8 +325,6 @@ func IsDns(dns string) bool {
 func IsEmail(email string) bool {
 	_, err := mail.ParseAddress(email)
 	return err == nil
-
-	// return emailMatcher.MatchString(email)
 }
 
 // IsChineseMobile check if the string is chinese mobile number.
@@ -460,12 +497,13 @@ func IsZeroValue(value any) bool {
 func IsGBK(data []byte) bool {
 	i := 0
 	for i < len(data) {
-		if data[i] <= 0xff {
+		if data[i] < 0x81 {
 			i++
 			continue
 		} else {
 			if data[i] >= 0x81 &&
 				data[i] <= 0xfe &&
+				i+1 < len(data) &&
 				data[i+1] >= 0x40 &&
 				data[i+1] <= 0xfe &&
 				data[i+1] != 0xf7 {
@@ -561,12 +599,53 @@ func IsAmericanExpress(v string) bool {
 
 // IsUnionPay check if a give string is a valid union pay nubmer or not.
 // Play: https://go.dev/play/p/CUHPEwEITDf
-func IsUnionPay(v string) bool {
-	return unionPay.MatchString(v)
+func IsUnionPay(cardNo string) bool {
+	if len(cardNo) < 16 || len(cardNo) > 19 {
+		return false
+	}
+
+	matched, _ := regexp.MatchString(`^\d+$`, cardNo)
+	if !matched {
+		return false
+	}
+
+	if len(cardNo) < 3 {
+		return false
+	}
+
+	prefix := cardNo[:3]
+	prefixNum, err := strconv.Atoi(prefix)
+	if err != nil {
+		return false
+	}
+
+	if prefixNum < 620 || prefixNum > 625 {
+		return false
+	}
+
+	return true
 }
 
 // IsChinaUnionPay check if a give string is a valid china union pay nubmer or not.
 // Play: https://go.dev/play/p/yafpdxLiymu
-func IsChinaUnionPay(v string) bool {
-	return chinaUnionPay.MatchString(v)
+func IsChinaUnionPay(cardNo string) bool {
+	return chinaUnionPayMatcher.MatchString(cardNo)
+}
+
+// IsPassport checks if the passport number is valid for a given country.
+// country is a two-letter country code (ISO 3166-1 alpha-2).
+// Play: todo
+func IsPassport(passport, country string) bool {
+	if matcher, ok := passportMatcher[country]; ok {
+		return matcher.MatchString(passport)
+	}
+
+	return false
+}
+
+// IsChineseHMPassport checks if the string is a valid Chinese Hong Kong and Macau Travel Permit number.
+// Chinese Hong Kong and Macau Travel Permit format: C or M + 8 digits (e.g., C12345678, M12345678).
+// Play: https://go.dev/play/p/TODO
+func IsChineseHMPassport(hmPassport string) bool {
+	return chineseHMPassportMatcher.MatchString(hmPassport)
 }

validator/validator_example_test.go

@@ -214,7 +214,7 @@ func ExampleIsUrl() {
 	fmt.Println(result3)
 
 	// Output:
-	// true
+	// false
 	// true
 	// false
 }
@@ -683,3 +683,42 @@ func ExampleIsAlphaNumeric() {
 	// true
 	// false
 }
+
+func ExampleIsPassport() {
+	result1 := IsPassport("P123456789", "CN")
+	result2 := IsPassport("123456789", "US")
+	result3 := IsPassport("AB1234567", "RU")
+	result4 := IsPassport("123456789", "CN")
+
+	fmt.Println(result1)
+	fmt.Println(result2)
+	fmt.Println(result3)
+	fmt.Println(result4)
+
+	// Output:
+	// true
+	// true
+	// true
+	// false
+}
+
+func ExampleIsChineseHMPassport() {
+	result1 := IsChineseHMPassport("C12345678")
+	result2 := IsChineseHMPassport("C00000000")
+	result3 := IsChineseHMPassport("M12345678")
+	result4 := IsChineseHMPassport("c12345678")
+	result5 := IsChineseHMPassport("C1234567")
+
+	fmt.Println(result1)
+	fmt.Println(result2)
+	fmt.Println(result3)
+	fmt.Println(result4)
+	fmt.Println(result5)
+
+	// Output:
+	// true
+	// true
+	// true
+	// false
+	// false
+}

validator/validator_test.go

@@ -437,10 +437,32 @@ func TestIsUrl(t *testing.T) {
 
 	assert := internal.NewAssert(t, "TestIsUrl")
 
-	assert.Equal(true, IsUrl("http://abc.com"))
-	assert.Equal(true, IsUrl("abc.com"))
-	assert.Equal(true, IsUrl("a.b.com"))
-	assert.Equal(false, IsUrl("abc"))
+	tests := []struct {
+		input    string
+		expected bool
+	}{
+		{"http://abc.com", true},
+		{"https://abc.com", true},
+		{"ftp://abc.com", true},
+		{"http://abc.com/path?query=123", true},
+		{"https://abc.com/path/to/resource", true},
+		{"ws://abc.com", true},
+		{"wss://abc.com", true},
+		{"mailto://abc.com", true},
+		{"file://path/to/file", true},
+		{"data://text/plain;base64,SGVsbG8sIFdvcmxkIQ==", true},
+		{"http://abc.com/path/to/resource?query=123#fragment", true},
+
+		{"abc", false},
+		{"http://", false},
+		{"http://abc", false},
+		{"http://abc:8080", false},
+		{"http://abc:99999999", false},
+	}
+
+	for _, tt := range tests {
+		assert.Equal(tt.expected, IsUrl(tt.input))
+	}
 }
 
 func TestIsDns(t *testing.T) {
@@ -455,7 +477,8 @@ func TestIsDns(t *testing.T) {
 		{"abc.com", true},
 		{"123.cn", true},
 		{"a.b.com", true},
-		{"a.b.c", false},
+		{"a.b.c", true},
+		{"www.xn--6qq986b3xl.xn--fiqs8s.com", true},
 		{"a@b.com", false},
 		{"http://abc.com", false},
 	}
@@ -477,12 +500,24 @@ func TestIsEmail(t *testing.T) {
 
 func TestContainChinese(t *testing.T) {
 	t.Parallel()
-
 	assert := internal.NewAssert(t, "TestContainChinese")
 
-	assert.Equal(true, ContainChinese("你好"))
-	assert.Equal(true, ContainChinese("你好hello"))
-	assert.Equal(false, ContainChinese("hello"))
+	tests := []struct {
+		input    string
+		expected bool
+	}{
+		{"你好", true},
+		{"hello", false},
+		{"你好hello", true},
+		{"hello你好", true},
+		{"", false},
+		{"123", false},
+		{"!@#$%^&*()", false},
+	}
+
+	for _, tt := range tests {
+		assert.Equal(tt.expected, ContainChinese(tt.input))
+	}
 }
 
 func TestIsChineseMobile(t *testing.T) {
@@ -490,8 +525,20 @@ func TestIsChineseMobile(t *testing.T) {
 
 	assert := internal.NewAssert(t, "TestIsChineseMobile")
 
-	assert.Equal(true, IsChineseMobile("13263527980"))
-	assert.Equal(false, IsChineseMobile("434324324"))
+	tests := []struct {
+		input    string
+		expected bool
+	}{
+		{"13263527980", true},
+		{"1326352798", false},
+		{"132635279801", false},
+		{"1326352798a", false},
+		{"1326352798@", false},
+	}
+
+	for _, tt := range tests {
+		assert.Equal(tt.expected, IsChineseMobile(tt.input))
+	}
 }
 
 func TestIsChinesePhone(t *testing.T) {
@@ -887,7 +934,7 @@ func TestIsUnionPay(t *testing.T) {
 	t.Parallel()
 	assert := internal.NewAssert(t, "TestIsUnionPay")
 
-	assert.Equal(true, IsUnionPay("6221263430109903"))
+	assert.Equal(true, IsUnionPay("6228480402564890"))
 	assert.Equal(false, IsUnionPay("3782822463100007"))
 }
 
@@ -895,8 +942,25 @@ func TestIsChinaUnionPay(t *testing.T) {
 	t.Parallel()
 	assert := internal.NewAssert(t, "TestIsChinaUnionPay")
 
-	assert.Equal(true, IsChinaUnionPay("6250941006528599"))
-	assert.Equal(false, IsChinaUnionPay("3782822463100007"))
+	tests := []struct {
+		cardNumber string
+		expected   bool
+	}{
+		{"6228480420000000000", true},
+		{"6214830000000000", true},
+		{"6230580000000000000", true},
+		{"6259640000000000000", true},
+		{"6260000000000000000", true},
+		{"6288888888888888", true},
+
+		// 非银联前缀
+		{"4123456789012345", false},
+		{"3528000000000000", false},
+	}
+
+	for _, tt := range tests {
+		assert.Equal(tt.expected, IsChinaUnionPay(tt.cardNumber))
+	}
 }
 
 func TestIsAlphaNumeric(t *testing.T) {
@@ -924,3 +988,72 @@ func TestIsAlphaNumeric(t *testing.T) {
 		assert.Equal(tt.expected, IsAlphaNumeric(tt.input))
 	}
 }
+
+func TestIsPassport(t *testing.T) {
+	t.Parallel()
+
+	assert := internal.NewAssert(t, "TestIsPassport")
+
+	tests := []struct {
+		passport    string
+		countryCode string
+		expected    bool
+	}{
+		{"P123456789", "CN", true},
+		{"123456789", "US", true},
+		{"A12345678", "GB", true},
+		{"AB1234567", "FR", true},
+		{"12345678", "JP", true},
+		{"M12345678", "HK", true},
+		{"A12345678", "MO", true},
+		{"A1234567", "IN", true},
+		{"12345678", "IT", true},
+		{"A12345678", "AU", true},
+		{"123456789", "BR", true},
+		{"AB1234567", "RU", true},
+		{"123456789", "CN", false},
+	}
+
+	for _, tt := range tests {
+		assert.Equal(tt.expected, IsPassport(tt.passport, tt.countryCode))
+	}
+}
+
+func TestIsChineseHMPassport(t *testing.T) {
+	t.Parallel()
+
+	assert := internal.NewAssert(t, "TestIsChineseHMPassport")
+
+	tests := []struct {
+		input    string
+		expected bool
+	}{
+		{"C12345678", true},
+		{"C00000000", true},
+		{"C99999999", true},
+		{"M12345678", true},   // M prefix
+		{"M00000000", true},   // M prefix
+		{"M99999999", true},   // M prefix
+		{"c12345678", false},  // lowercase c
+		{"m12345678", false},  // lowercase m
+		{"C1234567", false},   // 7 digits
+		{"M1234567", false},   // 7 digits with M
+		{"C123456789", false}, // 9 digits
+		{"M123456789", false}, // 9 digits with M
+		{"C1234567a", false},  // contains letter
+		{"M1234567a", false},  // contains letter with M
+		{"D12345678", false},  // starts with D
+		{"12345678", false},   // no prefix
+		{"CC12345678", false}, // double C
+		{"MM12345678", false}, // double M
+		{"C 12345678", false}, // contains space
+		{"M 12345678", false}, // contains space with M
+		{"C12345-678", false}, // contains dash
+		{"M12345-678", false}, // contains dash with M
+		{"", false},
+	}
+
+	for _, tt := range tests {
+		assert.Equal(tt.expected, IsChineseHMPassport(tt.input))
+	}
+}