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From "Dhananjay Prasanna" <>
Subject RE: t:validateRegExpr
Date Thu, 20 Jul 2006 23:18:04 GMT

Are you asking what the ^ and $ regex operators do and why they are (or
should be) used?
In that case check out

Basically it will force the match across the entire line of text (rather
than match in the middle somewhere). This has nothing to do with the
<t:validateRegExpr> tag specifically.

Btw, off topic a bit, but I think it would have been more elegant to
call the tag t:validateRegex instead. Just my 2 cents.

-----Original Message-----
From: Jeff Bischoff []
Sent: Thursday, 20 July 2006 11:43 PM
To: MyFaces Discussion
Subject: Re: t:validateRegExpr

Yes, that's the documentation webpage I was speaking of...
>> By the way, I noticed in the source that you wrap all regex patterns
>> with:
>> '^' + pattern + '$'
>> Do you think it is worth mentioning that in the documentation webpage
>> for this tag? I had been writing patterns like pattern="^\d*$", just
>> be safe. I am somewhat of a regex newcomer though - is this obvious?
>> Regards,
>> Jeff Bischoff
>> Kenneth L Kurz & Associates, Inc.

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