feat: add IsBin, IsHex, IsBase64URL, IsJWT

validator/validator.go

@@ -29,6 +29,10 @@ var (
 	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]+$`)
 )
 
 // IsAlpha checks if the string contains only letters (a-zA-Z).
@@ -401,3 +405,38 @@ func IsInt(v any) bool {
 	}
 	return false
 }
+
+// IsBin check if a give string is a valid binary value or not.
+// Play: todo
+func IsBin(v string) bool {
+	return binMatcher.MatchString(v)
+}
+
+// IsHex check if a give string is a valid hexadecimal value or not.
+// Play: todo
+func IsHex(v string) bool {
+	return hexMatcher.MatchString(v)
+}
+
+// IsBase64URL check if a give string is a valid URL-safe Base64 encoded string.
+// Play: todo
+func IsBase64URL(v string) bool {
+	return base64URLMatcher.MatchString(v)
+}
+
+// IsJWT check if a give string is is a valid JSON Web Token (JWT).
+// Play: todo
+func IsJWT(v string) bool {
+	strings := strings.Split(v, ".")
+	if len(strings) != 3 {
+		return false
+	}
+
+	for _, s := range strings {
+		if !IsBase64URL(s) {
+			return false
+		}
+	}
+
+	return true
+}

validator/validator_example_test.go

@@ -521,3 +521,69 @@ func ExampleIsNumber() {
 	// true
 	// true
 }
+
+func ExampleIsBin() {
+	result1 := IsBin("0101")
+	result2 := IsBin("0b1101")
+	result3 := IsBin("b1101")
+	result4 := IsBin("1201")
+
+	fmt.Println(result1)
+	fmt.Println(result2)
+	fmt.Println(result3)
+	fmt.Println(result4)
+
+	// Output:
+	// true
+	// true
+	// false
+	// false
+}
+
+func ExampleIsHex() {
+	result1 := IsHex("0xabcde")
+	result2 := IsHex("0XABCDE")
+	result3 := IsHex("cdfeg")
+	result4 := IsHex("0xcdfeg")
+
+	fmt.Println(result1)
+	fmt.Println(result2)
+	fmt.Println(result3)
+	fmt.Println(result4)
+
+	// Output:
+	// true
+	// true
+	// false
+	// false
+}
+
+func ExampleIsBase64URL() {
+	result1 := IsBase64URL("SAGsbG8sIHdvcmxkIQ")
+	result2 := IsBase64URL("SAGsbG8sIHdvcmxkIQ==")
+	result3 := IsBase64URL("SAGsbG8sIHdvcmxkIQ=")
+	result4 := IsBase64URL("SAGsbG8sIHdvcmxkIQ===")
+
+	fmt.Println(result1)
+	fmt.Println(result2)
+	fmt.Println(result3)
+	fmt.Println(result4)
+
+	// Output:
+	// true
+	// true
+	// false
+	// false
+}
+
+func ExampleIsJWT() {
+	result1 := IsJWT("eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibWVzc2FnZSI6IlB1dGluIGlzIGFic29sdXRlIHNoaXQiLCJpYXQiOjE1MTYyMzkwMjJ9.wkLWA5GtCpWdxNOrRse8yHZgORDgf8TpJp73WUQb910")
+	result2 := IsJWT("abc")
+
+	fmt.Println(result1)
+	fmt.Println(result2)
+
+	// Output:
+	// true
+	// false
+}

validator/validator_test.go

@@ -547,3 +547,50 @@ func TestIsPrintable(t *testing.T) {
 	assert.Equal(true, IsPrintable("😄"))
 	assert.Equal(false, IsPrintable("\u0000"))
 }
+
+func TestIsBin(t *testing.T) {
+	t.Parallel()
+	assert := internal.NewAssert(t, "TestIsBin")
+
+	assert.Equal(true, IsBin("0101"))
+	assert.Equal(true, IsBin("0b1101"))
+
+	assert.Equal(false, IsBin("b1101"))
+	assert.Equal(false, IsBin("1201"))
+	assert.Equal(false, IsBin(""))
+}
+
+func TestIsHex(t *testing.T) {
+	t.Parallel()
+	assert := internal.NewAssert(t, "TestIsHex")
+
+	assert.Equal(true, IsHex("ABCDE"))
+	assert.Equal(true, IsHex("abcde"))
+	assert.Equal(true, IsHex("0xabcde"))
+	assert.Equal(true, IsHex("0Xabcde"))
+	assert.Equal(true, IsHex("#abcde"))
+
+	assert.Equal(false, IsHex("cdfeg"))
+	assert.Equal(false, IsHex("0xcdfeg"))
+	assert.Equal(false, IsHex(""))
+}
+
+func TestIsBase64URL(t *testing.T) {
+	t.Parallel()
+	assert := internal.NewAssert(t, "TestIsBase64URL")
+
+	assert.Equal(true, IsBase64URL("SAGsbG8sIHdvcmxkIQ"))
+	assert.Equal(true, IsBase64URL("SAGsbG8sIHdvcmxkIQ=="))
+
+	assert.Equal(false, IsBase64URL("SAGsbG8sIHdvcmxkIQ="))
+	assert.Equal(false, IsBase64URL("SAGsbG8sIHdvcmxkIQ==="))
+	// assert.Equal(false, IsBase64URL(""))
+}
+
+func TestIsJWT(t *testing.T) {
+	t.Parallel()
+	assert := internal.NewAssert(t, "TestIsJWT")
+
+	assert.Equal(true, IsJWT("eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibWVzc2FnZSI6IlB1dGluIGlzIGFic29sdXRlIHNoaXQiLCJpYXQiOjE1MTYyMzkwMjJ9.wkLWA5GtCpWdxNOrRse8yHZgORDgf8TpJp73WUQb910"))
+	assert.Equal(false, IsJWT("abc"))
+}