C# 日期和时间正则表达式

1 yyyy-MM-dd

@"^((((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-))$"

2 hh:mm:ss

  @"^((20|21|22|23|[0-1]?\d):[0-5]?\d:[0-5]?\d)$

3 yyyy-MM-dd hh:mm:ss

@"^(((((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)$

 

(?:(?:(?:(?:19|20)(?:(?:[02468][048])|(?:[13579][26]))-0?2-29))|(?:\d{4}-0?(?!(?:[4|6|9]-31)|(?:2-29)|(?:11-31)|(?:2-30)|(?:2-31))((?!0|(?:1[3-9]))(?:1?[0-9])-(?!0|(?:3[2-9]))(?:[1-3]?[0-9]))))\s+(?!(?:2[4-9]))(?:[1-2]?[0-9]):0?0:0?0

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