From: Craig Kim <cjkim@...>
Date: 2006-04-29T08:29:58+09:00
Subject: Re: Date-building regexes

Here's what you can do:

mydate = '2/4/2006'
match = /\b(0?[1-9]|1[012])[- \/.](0?[1-9]|[12][0-9]|3[01])[- \/.](19|20)?[0-9]{2}\b/.match(mydate)


On Wed, 26 Apr 2006, Robert Klemme wrote:

> 2006/4/26, Ashley Moran <work@ashleymoran.me.uk>:
>> Hi
>>
>> Does anyone know of a regular expression for *building* a date?  That is one
>> that will match "3", "30", "30/", "30/0" (etc), but not "30/099" or
>> (ideally) "30/02"?  I've had a quick look into it and it seems pretty
>> complex, and I figured someone must have solved the problem before.
>
> Not 100% sure but it might be more efficient to just implement the
> automata that matches the pattern and feed events (i.e. chars) to it
> while the user enters them.  Otherwise your regexp will grow pretty
> complex as you have to provide options / alternatives for every
> possible path the pattern can take. HTH
>
> Kind regards
>
> robert
>
>
> --
> Have a look: http://www.flickr.com/photos/fussel-foto/
>
>
>
>

--Craig Kim
   Octo Performance Engineering, Inc