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90e5a0bfb2 | ||
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93be25920f |
@@ -66,6 +66,9 @@ import (
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- [Ellipsis](#Ellipsis)
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- [Shuffle](#Shuffle)
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- [Rotate](#Rotate)
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- [TemplateReplace](#TemplateReplace)
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- [RegexMatchAllGroups](#RegexMatchAllGroups)
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<div STYLE="page-break-after: always;"></div>
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@@ -1658,4 +1661,71 @@ func main() {
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// oHell
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// loHel
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}
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```
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### <span id="TemplateReplace">TemplateReplace</span>
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<p>将模板字符串中的占位符替换为数据映射中的相应值。占位符括在花括号中,例如 {key}。例如,模板字符串为“Hello, {name}!”,数据映射为{"name": "world"},结果将为“Hello, world!”。</p>
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<b>函数签名:</b>
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```go
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func TemplateReplace(template string, data map[string]string) string
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```
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<b>示例:<span style="float:right;display:inline-block;">[运行]()</span></b>
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```go
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import (
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"fmt"
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"github.com/duke-git/lancet/v2/strutil"
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)
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func main() {
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template := `Hello, my name is {name}, I'm {age} years old.`
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data := map[string]string{
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"name": "Bob",
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"age": "20",
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}
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result := strutil.TemplateReplace(template, data)
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fmt.Println(result)
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// Output:
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// Hello, my name is Bob, I'm 20 years old.
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}
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```
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### <span id="RegexMatchAllGroups">RegexMatchAllGroups</span>
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<p>使用正则表达式匹配字符串中的所有子组并返回结果。</p>
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<b>函数签名:</b>
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```go
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func RegexMatchAllGroups(pattern, str string) [][]string
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```
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<b>示例:<span style="float:right;display:inline-block;">[Run]()</span></b>
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```go
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import (
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"fmt"
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"github.com/duke-git/lancet/v2/strutil"
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)
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func main() {
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pattern := `(\w+\.+\w+)@(\w+)\.(\w+)`
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str := "Emails: john.doe@example.com and jane.doe@example.com"
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result := strutil.RegexMatchAllGroups(pattern, str)
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fmt.Println(result[0])
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fmt.Println(result[1])
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// Output:
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// [john.doe@example.com john.doe example com]
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// [jane.doe@example.com jane.doe example com]
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}
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```
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@@ -66,6 +66,8 @@ import (
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- [Ellipsis](#Ellipsis)
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- [Shuffle](#Shuffle)
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- [Rotate](#Rotate)
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- [TemplateReplace](#TemplateReplace)
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- [RegexMatchAllGroups](#RegexMatchAllGroups)
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<div STYLE="page-break-after: always;"></div>
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@@ -1659,4 +1661,71 @@ func main() {
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// Hello
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// oHell
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// loHel
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}
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}
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```
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### <span id="TemplateReplace">TemplateReplace</span>
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<p>Replaces the placeholders in the template string with the corresponding values in the data map.The placeholders are enclosed in curly braces, e.g. {key}. for example, the template string is "Hello, {name}!", and the data map is {"name": "world"}, the result will be "Hello, world!".</p>
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<b>Signature:</b>
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```go
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func TemplateReplace(template string, data map[string]string string
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```
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<b>example:<span style="float:right;display:inline-block;">[Run]()</span></b>
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```go
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import (
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"fmt"
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"github.com/duke-git/lancet/v2/strutil"
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)
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func main() {
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template := `Hello, my name is {name}, I'm {age} years old.`
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data := map[string]string{
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"name": "Bob",
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"age": "20",
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}
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result := strutil.TemplateReplace(template, data)
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fmt.Println(result)
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// Output:
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// Hello, my name is Bob, I'm 20 years old.
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}
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```
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### <span id="RegexMatchAllGroups">RegexMatchAllGroups</span>
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<p>Matches all subgroups in a string using a regular expression and returns the result.</p>
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<b>Signature:</b>
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```go
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func RegexMatchAllGroups(pattern, str string) [][]string
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```
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<b>example:<span style="float:right;display:inline-block;">[Run]()</span></b>
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```go
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import (
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"fmt"
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"github.com/duke-git/lancet/v2/strutil"
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)
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func main() {
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pattern := `(\w+\.+\w+)@(\w+)\.(\w+)`
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str := "Emails: john.doe@example.com and jane.doe@example.com"
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result := strutil.RegexMatchAllGroups(pattern, str)
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fmt.Println(result[0])
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fmt.Println(result[1])
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// Output:
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// [john.doe@example.com john.doe example com]
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// [jane.doe@example.com jane.doe example com]
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}
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```
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@@ -704,3 +704,34 @@ func Rotate(str string, shift int) string {
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return sb.String()
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}
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// TemplateReplace replaces the placeholders in the template string with the corresponding values in the data map.
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// The placeholders are enclosed in curly braces, e.g. {key}.
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// for example, the template string is "Hello, {name}!", and the data map is {"name": "world"},
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// the result will be "Hello, world!".
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// Play: todo
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func TemplateReplace(template string, data map[string]string) string {
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re := regexp.MustCompile(`\{(\w+)\}`)
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result := re.ReplaceAllStringFunc(template, func(s string) string {
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key := strings.Trim(s, "{}")
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if val, ok := data[key]; ok {
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return val
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}
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return s
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})
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result = strings.ReplaceAll(result, "{{", "{")
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result = strings.ReplaceAll(result, "}}", "}")
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return result
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}
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// RegexMatchAllGroups Matches all subgroups in a string using a regular expression and returns the result.
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// Play: todo
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func RegexMatchAllGroups(pattern, str string) [][]string {
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re := regexp.MustCompile(pattern)
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matches := re.FindAllStringSubmatch(str, -1)
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return matches
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}
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@@ -724,3 +724,32 @@ func ExampleRotate() {
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// oHell
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// loHel
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}
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func ExampleTemplateReplace() {
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template := `Hello, my name is {name}, I'm {age} years old.`
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data := map[string]string{
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"name": "Bob",
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"age": "20",
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}
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result := TemplateReplace(template, data)
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fmt.Println(result)
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// Output:
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// Hello, my name is Bob, I'm 20 years old.
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}
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func ExampleRegexMatchAllGroups() {
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pattern := `(\w+\.+\w+)@(\w+)\.(\w+)`
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str := "Emails: john.doe@example.com and jane.doe@example.com"
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result := RegexMatchAllGroups(pattern, str)
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fmt.Println(result[0])
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fmt.Println(result[1])
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// Output:
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// [john.doe@example.com john.doe example com]
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// [jane.doe@example.com jane.doe example com]
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}
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@@ -766,3 +766,90 @@ func TestRotate(t *testing.T) {
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assert.Equal(tt.expected, Rotate(tt.input, tt.shift))
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}
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}
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func TestTemplateReplace(t *testing.T) {
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t.Parallel()
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assert := internal.NewAssert(t, "TestTemplateReplace")
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t.Run("basic", func(t *testing.T) {
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template := `Hello, my name is {name}, I'm {age} years old.`
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data := map[string]string{
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"name": "Bob",
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"age": "20",
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}
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expected := `Hello, my name is Bob, I'm 20 years old.`
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result := TemplateReplace(template, data)
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assert.Equal(expected, result)
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})
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t.Run("not found", func(t *testing.T) {
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template := `Hello, my name is {name}, I'm {age} years old.`
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data := map[string]string{
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"name": "Bob",
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}
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expected := `Hello, my name is Bob, I'm {age} years old.`
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result := TemplateReplace(template, data)
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assert.Equal(expected, result)
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})
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t.Run("brackets", func(t *testing.T) {
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template := `Hello, my name is {name}, I'm {{age}} years old.`
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data := map[string]string{
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"name": "Bob",
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"age": "20",
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}
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expected := `Hello, my name is Bob, I'm {20} years old.`
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result := TemplateReplace(template, data)
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assert.Equal(expected, result)
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})
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}
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func TestRegexMatchAllGroups(t *testing.T) {
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t.Parallel()
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assert := internal.NewAssert(t, "TestRegexMatchAllGroups")
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tests := []struct {
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pattern string
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str string
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expected [][]string
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}{
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{
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pattern: `(\w+\.+\w+)@(\w+)\.(\w+)`,
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str: "Emails: john.doe@example.com and jane.doe@example.com",
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expected: [][]string{{"john.doe@example.com", "john.doe", "example", "com"}, {"jane.doe@example.com", "jane.doe", "example", "com"}},
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},
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{
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pattern: `(\d+)`,
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str: "No numbers here!",
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expected: nil,
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},
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{
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pattern: `(\d{3})-(\d{2})-(\d{4})`,
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str: "My number is 123-45-6789",
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expected: [][]string{{"123-45-6789", "123", "45", "6789"}},
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},
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{
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pattern: `(\w+)\s(\d+)`,
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str: "Item A 123, Item B 456",
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expected: [][]string{{"A 123", "A", "123"}, {"B 456", "B", "456"}},
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},
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{
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pattern: `(\d{2})-(\d{2})-(\d{4})`,
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str: "Dates: 01-01-2020, 12-31-1999",
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expected: [][]string{{"01-01-2020", "01", "01", "2020"}, {"12-31-1999", "12", "31", "1999"}},
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},
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}
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for _, tt := range tests {
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result := RegexMatchAllGroups(tt.pattern, tt.str)
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assert.Equal(tt.expected, result)
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}
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}
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