^(?=\d)(?:(?!(?:1582(?:\.|-|\/)10(?:\.|-|\/)(?:0?[5-9]|1[0-4]))|(?:1752(?:\.|-|\/)0?9(?:\.|-|\/)(?:0?[3-9]|1[0-3])))(?=(?:(?!000[04]|(?:(?:1[^0-6]|[2468][^048]|[3579][^26])00))(?:(?:\d\d)(?:[02468][048]|[13579][26]))\D0?2\D29)|(?:\d{4}\D(?!(?:0?[2469]|11)\D31)(?!0?2(?:\.|-|\/)(?:29|30))))(\d{4})([-\/.])(0?\d|1[012])\2((?!00)[012]?\d|3[01])(?:$|(?=\x20\d)\x20))?((?:(?:0?[1-9]|1[012])(?::[0-5]\d){0,2}(?:\x20[aApP][mM]))|(?:[01]\d|2[0-3])(?::[0-5]\d){1,2})?$
| Description: | yyyy/mm/dd hh:MM:ss Datetime for all AD years, including leap years. Javascript safe version of http://regexlib.com/REDetails.aspx?regexp_id=760. Please see that regex for details of what is being checked | |
| Matches: | [0008-02-29], [2:34:59 PM], [9999/12/31 11:59 PM] | |
| Non-Matches: | [04/04/04], [1:00], [1999/1/32] | |
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