asp.net 判断是否是日期格式，判断是否是长日期格式，短日期格式，时间判断，日期判断，全部格式...
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- #region 判断日期
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- public bool isDateTime(string dateStr)
- {
- bool _isDate = false;
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- string matchStr = "";
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- matchStr += @"^((((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-))$ ";
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- RegexOptions option = (RegexOptions.IgnoreCase | (RegexOptions.Multiline | RegexOptions.IgnorePatternWhitespace));
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- if (Regex.IsMatch(dateStr, matchStr, option))
- _isDate = true;
- else
- _isDate = false;
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- return _isDate;
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- }
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- public bool isDateTime_time(string time_str)
- {
- bool _isDate = false;
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- string matchStr = "";
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- matchStr += @"^([01]\d|2[0-3]):([0-5]\d):([0-5]\d)$";
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- RegexOptions option = (RegexOptions.IgnoreCase | (RegexOptions.Multiline | RegexOptions.IgnorePatternWhitespace));
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- if (Regex.IsMatch(time_str, matchStr, option))
- _isDate = true;
- else
- _isDate = false;
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- return _isDate;
- }
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- public bool isDate(string dateStr)
- {
- bool _isDate = false;
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- string matchStr = "";
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- matchStr += @"^((((1[6-9]|[2-9]\d)\d{2})-(0?[13578]|1[02])-(0?[1-9]|[12]\d|3[01]))|(((1[6-9]|[2-9]\d)\d{2})-(0?[13456789]|1[012])-(0?[1-9]|[12]\d|30))|(((1[6-9]|[2-9]\d)\d{2})-0?2-(0?[1-9]|1\d|2[0-8]))|(((1[6-9]|[2-9]\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))-0?2-29-)) ";
- matchStr += @"(\s(((0?[0-9])|([1-2][0-3]))\:([0-5]?[0-9])((\s)|(\:([0-5]?[0-9])))))?$ ";
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- RegexOptions option = (RegexOptions.IgnoreCase | (RegexOptions.Multiline | RegexOptions.IgnorePatternWhitespace));
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- if (Regex.IsMatch(dateStr, matchStr, option))
- _isDate = true;
- else
- _isDate = false;
-
- return _isDate;
- }
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- #endregion 判断日期
- 本文转自94cool博客园博客，原文链接：http://www.cnblogs.com/94cool/archive/2009/11/16/1603847.html，如需转载请自行联系原作者