Fix/339 (#344)

* feat: add ContainAny

* fix: fix issue #339

---------

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

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) {