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Regular Expression Details

Title Test Find Pattern Title
Expression
^(((19|2\d)\d{2}\/(((0?[13578]|1[02])\/31)|((0?[1,3-9]|1[0-2])\/(29|30))))|((((19|2\d)(0[48]|[2468][048]|[13579][26])|(2[048]00)))\/0?2\/29)|((19|2\d)\d{2})\/((0?[1-9])|(1[0-2]))\/(0?[1-9]|1\d|2[0-8]))$
Description
this expression validates a date-time field in yyyy/m/d format. The days are validated for the given month and year. Leap years are validated for all 4 digits years from 1900-2999, and all 2 digits years except 00
Matches
2008/2/29 | 2010/12/31 | 2400/02/29
Non-Matches
2009/2/29 | 2010/11/31 | 2100/02/29
Author Rating: Not yet rated. Nguyen Ba Tan
Source
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