@"^(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])((\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])){3}|(\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])){5})$"兼容ip4/ip6