1. IsMatch()
//IP正则表达式 private static Regex _ipregex = new Regex(@"^(\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])\.(\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])$"); /// <summary> /// 是否为IP /// </summary> public static bool IsIP(string s) { return _ipregex.IsMatch(s); }
2.
时间: 2024-10-02 05:47:25