Regex statements for date ranges <=4/1/2009 and <=10/01/2009
- by reggiereg
Hi,
I need serious help building two Regex statements for a project. The software we're using ONLY accepts Regex for validation.
I need one that fires for any date <4/1/2009
and a second that fires for any date <10/1/2009
My co-worker gave me the following code to check for <=10/01/2010, but it checks leap years and all that stuff. I need something a little more streamlined than this in the MM/DD/YYYY format. Thanks in advance!
^(?:(?:0?[1-9])|(?:1[0-2]))(\/|-|.)(?:0?[1-9]|1\d|2[0-8])(\/|-|.)(?:2[0-9][2-9][0-9])$|^(?:(?:0?[1-9])|(?:1[0-2]))(\/|-|.)(?:0?[1-9]|1\d|2[0-8])(\/|-|.)(?:201[1-9])$|^(?:(?:(?:0?[13578]|1[02])(\/|-|.)31)|(?:(?:0?[1,3-9]|1[0-2])(\/|-|.)(?:29|30)))(\/|-|.)(?:201[1-9])$|^(?:(?:(?:11)(\/|-|.))(?:0?[1-9]|1\d|2[0-9]|30)(\/|-|.))(2010)$|^(?:(?:(?:10|12)(\/|-|.))(?:0?[1-9]|1\d|2[0-9]|30|31)(\/|-|.))(2010)$|^(?:(?:0?[1-9])|(?:1[0-2]))(\/|-|.)(?:0?[1-9]|1\d|2[0-8])(\/|-|.)(?:2[0-9][2-9][0-9])$|^(?:(?:(?:0?[13578]|1[02])(\/|-|.)31)\1|(?:(?:0?[1,3-9]|1[0-2])(\/|-|.)(?:29|30)))(\/|-|.)(?:2[0-9][2-9][0-9])$|^(?:(?:0?[1-9])|(?:1[0-2]))(\/|-|.)(?:0?[1-9]|1\d|2[0-8])(\/|-|.)(?:2011)$|^(?:0?2(\/|-|.)29\3(?:(?:(?:2[0-9][1-9]\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00))))$
