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Expressions by User

   Displaying page 1 of 1 pages; Items 1 to 1
Title Test Details Pattern Title
Expression
^(?:(?:31(\/|-|\.)(?:0?[13578]|1[02]))\1|(?:(?:29|30)(\/|-|\.)(?:0?[1,3-9]|1[0-2])\2))(?:(?:1[6-9]|[2-9]\d)?\d{2})$|^(?:29(\/|-|\.)0?2\3(?:(?:(?:1[6-9]|[2-9]\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00))))$|^(?:0?[1-9]|1\d|2[0-8])(\/|-|\.)(?:(?:0?[1-9])|(?:1[0-2]))\4(?:(?:1[6-9]|[2-9]\d)?\d{2})$
Description
This expression validates dates in the ITALIAN d/m/y format from 1/1/1600 - 31/12/9999. The days are validated for the given month and year. Leap years are validated for all 4 digits years from 1600-9999, and all 2 digits years except 00 since it could be any century (1900, 2000, 2100). Days and months must be 1 or 2 digits and may have leading zeros. Years must be 2 or 4 digit years. 4 digit years must be between 1600 and 9999. Date separator may be a slash (/), dash (-), or period (.) Thanks to Michael Ash for US Version
Matches
29/02/1972 | 5-9-98 | 10-11-2002
Non-Matches
29/02/2003 | 12/13/2002 | 1-1-1500
Author Rating: Not yet rated. Marco Storti
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