Fixed "Assignment Branch Condition too high"

baked_in.go

@@ -1487,8 +1487,8 @@ func isHostname(fl FieldLevel) bool {
 func isFQDN(fl FieldLevel) bool {
 	val := fl.Field().String()
 
-	if val[len(val)-1] == '.' && val[len(val)-2] != '.' {
+	if val[len(val)-1] == '.' {
-		val = strings.TrimRight(val, ".")
+		val = val[0 : len(val)-1]
 	}
 
 	return hostnameRegex.MatchString(val) &&

validator_test.go

@@ -7182,6 +7182,7 @@ func TestFQDNValidation(t *testing.T) {
 		{"example24.com.", true},
 		{"test.example24.com.", true},
 		{"test24.example24.com.", true},
+		{"test24.example24.com..", false},
 		{"example", false},
 		{"192.168.0.1", false},
 		{"email@example.com", false},