package util import "regexp" func MatchIP(ip string) bool { ipReg := `^((0|[1-9]\d?|1\d\d|2[0-4]\d|25[0-5])\.){3}(0|[1-9]\d?|1\d\d|2[0-4]\d|25[0-5])$` match, _ := regexp.MatchString(ipReg, ip) if match { return true } return false }