日期、时间字符串的判断

/// <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(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="source">时间字符串(15:00:00)</param>

  /// <returns></returns>

  public static bool IsTime(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="source"></param>

  /// <returns></returns>

  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]|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)$ ");

  }

原文地址:https://www.cnblogs.com/sunny-539/p/3575277.html