C#正则表达式判断输入日期格式是否正确_正则表达式_

 /// 
 /// 是否为日期型字符串 /// 
 /// 日期字符串(2008-05-08) ///  public static bool IsDate(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]|1\d|2[0-9]))|(((1[6-9]|[2-9]\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))-0?2-29-))$"); } /// 
 /// 是否为时间型字符串 /// 
 /// 时间字符串(15:00:00) ///  public static bool IsTime(string StrSource) { return Regex.IsMatch(StrSource, @"^((20|21|22|23|[0-1]?\d):[0-5]?\d:[0-5]?\d)$"); } /// 
 /// 是否为日期+时间型字符串 /// 
 ///  ///  public static bool IsDateTime(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]|1\d|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(string StrSource) { return Regex.IsMatch(StrSource, @"^[0-9]*$"); } public static bool IsDate(string strDate) { if (string.IsNullOrEmpty(strDate)) return false; string s_reg = @"^(?ni:(?=\\d)((?'year'((1[6-9])|([2-9]\\d))\\d\\d)(?'sep'[/.-])(?'month'0?[1-9]|1[012])\\2 (?'day'((?((0?[1-9]|1[012])(:[0-5]?\\d){0,2}(\\x20[AP]M))|([01]? \\d|2[0-3])(:[0-5]?\\d){1,2}))?)$"; Regex reg = new Regex(s_reg); if (reg.IsMatch(strDate.ToLower())) return true; else return false; }