Fix/339

README.md

@@ -2309,7 +2309,7 @@ import "github.com/duke-git/lancet/v2/validator"
     [[play](https://go.dev/play/p/jlYApVLLGTZ)]
 -   **<big>IsEmail</big>** : check if the string is a email address.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/validator.md#IsEmail)]
-    [[play](https://go.dev/play/p/Os9VaFlT33G)]
+    [[play](https://go.dev/play/p/HVQ5LAe-vFz)]
 -   **<big>IsEmptyString</big>** : check if the string is empty.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/validator.md#IsEmptyString)]
     [[play](https://go.dev/play/p/dpzgUjFnBCX)]

README_zh-CN.md

@@ -2316,7 +2316,7 @@ import "github.com/duke-git/lancet/v2/validator"
     [[play](https://go.dev/play/p/jlYApVLLGTZ)]
 -   **<big>IsEmail</big>** : 验证字符串是否是有效电子邮件地址。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/validator.md#IsEmail)]
-    [[play](https://go.dev/play/p/Os9VaFlT33G)]
+    [[play](https://go.dev/play/p/HVQ5LAe-vFz)]
 -   **<big>IsEmptyString</big>** : 验证字符串是否是空字符串。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/validator.md#IsEmptyString)]
     [[play](https://go.dev/play/p/dpzgUjFnBCX)]

docs/api/packages/validator.md

@@ -549,7 +549,7 @@ func main() {
 func IsEmail(email string) bool
 ```
 
-<b>示例:<span style="float:right;display:inline-block">[运行](https://go.dev/play/p/Os9VaFlT33G)</span></b>
+<b>示例:<span style="float:right;display:inline-block">[运行](https://go.dev/play/p/HVQ5LAe-vFz)</span></b>
 
 ```go
 import (
@@ -559,13 +559,28 @@ import (
 
 func main() {
     result1 := validator.IsEmail("abc@xyz.com")
-    result2 := validator.IsEmail("a.b@@com")
+    result2 := validator.IsEmail("user@domain.co")
+    result3 := validator.IsEmail("test.user@example.org")
+    result4 := validator.IsEmail("@abc@xyz.com")
+    result5 := validator.IsEmail("a.b@@com")
+    result6 := validator.IsEmail("a.b@com")
+    result7 := validator.IsEmail("test@example")
 
     fmt.Println(result1)
     fmt.Println(result2)
+    fmt.Println(result3)
+    fmt.Println(result4)
+    fmt.Println(result5)
+    fmt.Println(result6)
+    fmt.Println(result7)
 
     // Output:
     // true
+    // true
+    // true
+    // false
+    // false
+    // false
     // false
 }
 ```

docs/en/api/packages/validator.md

@@ -551,7 +551,7 @@ func main() {
 func IsEmail(email string) bool
 ```
 
-<b>Example:<span style="float:right;display:inline-block">[Run](https://go.dev/play/p/Os9VaFlT33G)</span></b>
+<b>Example:<span style="float:right;display:inline-block">[Run](https://go.dev/play/p/HVQ5LAe-vFz)</span></b>
 
 ```go
 import (
@@ -561,13 +561,28 @@ import (
 
 func main() {
     result1 := validator.IsEmail("abc@xyz.com")
-    result2 := validator.IsEmail("a.b@@com")
+    result2 := validator.IsEmail("user@domain.co")
+    result3 := validator.IsEmail("test.user@example.org")
+    result4 := validator.IsEmail("@abc@xyz.com")
+    result5 := validator.IsEmail("a.b@@com")
+    result6 := validator.IsEmail("a.b@com")
+    result7 := validator.IsEmail("test@example")
 
     fmt.Println(result1)
     fmt.Println(result2)
+    fmt.Println(result3)
+    fmt.Println(result4)
+    fmt.Println(result5)
+    fmt.Println(result6)
+    fmt.Println(result7)
 
     // Output:
     // true
+    // true
+    // true
+    // false
+    // false
+    // false
     // false
 }
 ```

validator/validator.go

@@ -8,7 +8,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"net"
-	"net/mail"
 	"net/url"
 	"reflect"
 	"regexp"
@@ -26,6 +25,7 @@ var (
 	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])?)$`)
+	emailMatcher             *regexp.Regexp = regexp.MustCompile(`^[a-z0-9._%+\-]+@[a-z0-9.\-]+\.[a-z]{2,}$`)
 	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]")
@@ -321,10 +321,9 @@ func IsDns(dns string) bool {
 }
 
 // IsEmail check if the string is a email address.
-// Play: https://go.dev/play/p/Os9VaFlT33G
+// Play: https://go.dev/play/p/HVQ5LAe-vFz
 func IsEmail(email string) bool {
-	_, err := mail.ParseAddress(email)
-	return err == nil
+	return emailMatcher.MatchString(strings.ToLower(email))
 }
 
 // IsChineseMobile check if the string is chinese mobile number.

validator/validator_test.go

@@ -494,8 +494,12 @@ func TestIsEmail(t *testing.T) {
 	assert := internal.NewAssert(t, "TestIsEmail")
 
 	assert.Equal(true, IsEmail("abc@xyz.com"))
+	assert.Equal(true, IsEmail("user@domain.co"))
+	assert.Equal(true, IsEmail("test.user@example.org"))
 	assert.Equal(false, IsEmail("@abc@xyz.com"))
 	assert.Equal(false, IsEmail("a.b@@com"))
+	assert.Equal(false, IsEmail("a.b@com"))
+	assert.Equal(false, IsEmail("test@example"))
 }
 
 func TestContainChinese(t *testing.T) {