正则表达式大全——持续更新中。。。

Posted 2021-02-07 guyun

public static class RegexExtensions
    {
        /// <summary>
        /// 是否为日期型字符串
        /// </summary>
        /// <param name="StrSource">日期字符串(2008-05-08)</param>
        /// <returns></returns>
        public static bool IsDate(this string StrSource)
        {
            return Regex.IsMatch(StrSource, @"^((((1[6-9]|[2-9]d)d{2})-(0?[13578]|1[02])-(0?[1-9]|[12]d|3[01]))|(((1[6-9]|[2-9]d)d{2})-(0?[13456789]|1[012])-(0?[1-9]|[12]d|30))|(((1[6-9]|[2-9]d)d{2})-0?2-(0?[1-9]|1d|2[0-9]))|(((1[6-9]|[2-9]d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))-0?2-29-))$");
        }

        /// <summary>
        /// 是否为时间型字符串
        /// </summary>
        /// <param name="StrSource">时间字符串(15:00:00)</param>
        /// <returns></returns>
        public static bool IsTime(this string StrSource)
        {
            return Regex.IsMatch(StrSource, @"^((20|21|22|23|[0-1]?d):[0-5]?d:[0-5]?d)$");
        }

        /// <summary>
        /// 是否为日期+时间型字符串
        /// </summary>
        /// <param name="StrSource"></param>
        /// <returns></returns>
        public static bool IsDateTime(this string StrSource)
        {
            return Regex.IsMatch(StrSource, @"^(((((1[6-9]|[2-9]d)d{2})-(0?[13578]|1[02])-(0?[1-9]|[12]d|3[01]))|(((1[6-9]|[2-9]d)d{2})-(0?[13456789]|1[012])-(0?[1-9]|[12]d|30))|(((1[6-9]|[2-9]d)d{2})-0?2-(0?[1-9]|1d|2[0-8]))|(((1[6-9]|[2-9]d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))-0?2-29-)) (20|21|22|23|[0-1]?d):[0-5]?d:[0-5]?d)$ ");
        }

        //是否是整数
        public static bool IsInt(this string StrSource)
        {
            return Regex.IsMatch(StrSource, @"^[0-9]*$");
        }
    }