update regular: IsIpv4Addr

regular/regular.go

@@ -7,12 +7,18 @@ import (
 	"regexp"
 )
 
-var emailRegexp = regexp.MustCompile(
-	"^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$",
-)
+var (
+	emailRegexp = regexp.MustCompile(
+		"^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$",
+	)
+
+	mobileRegexp = regexp.MustCompile(
+		`^(?:\+?86)?1(?:3\d{3}|5[^4\D]\d{2}|8\d{3}|7(?:[01356789]\d{2}|4(?:0\d|1[0-2]|9\d))|9[189]\d{2}|6[567]\d{2}|4[579]\d{2})\d{6}$`,
+	)
 
-var mobileRegexp = regexp.MustCompile(
-	`^(?:\+?86)?1(?:3\d{3}|5[^4\D]\d{2}|8\d{3}|7(?:[01356789]\d{2}|4(?:0\d|1[0-2]|9\d))|9[189]\d{2}|6[567]\d{2}|4[579]\d{2})\d{6}$`,
+	ipv4Regexp = regexp.MustCompile(
+		`^((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)$`,
+	)
 )
 
 // IsEmail ...
@@ -25,6 +31,11 @@ func IsMobile(v string) bool {
 	return mobileRegexp.MatchString(v)
 }
 
+// IsIpv4Addr...
+func IsIpv4Addr(v string) bool {
+	return ipv4Regexp.MatchString(v)
+}
+
 // IsBankNo ... from alipay
 func IsBankNo(bankCard string) (b bool) {
 	type ValidateBankCard struct {

regular/regular_test.go

@@ -24,6 +24,18 @@ func TestIsMobile(t *testing.T) {
 	})
 }
 
+func TestIsIpv4Addr(t *testing.T) {
+	Convey("Test is ipv4", t, func() {
+		So(IsIpv4Addr("11.11.11.1"), ShouldBeTrue)
+		So(IsIpv4Addr("1.1.1.1"), ShouldBeTrue)
+		So(IsIpv4Addr("255.255.255.0"), ShouldBeTrue)
+		So(IsIpv4Addr("255.255.255.255"), ShouldBeTrue)
+		So(IsIpv4Addr("255,255.255.255"), ShouldBeFalse)
+		So(IsIpv4Addr("255.255.255.256"), ShouldBeFalse)
+		So(IsIpv4Addr("1.1.1.1.1"), ShouldBeFalse)
+	})
+}
+
 func TestIsBankNo(t *testing.T) {
 	Convey("test bank no", t, func() {
 		t.Log(IsBankNo("6228481101100634315"))