Regular expression problems

From: Date: Mon, 26 Feb 2001 05:39:18 +0000
Subject: Regular expression problems
Groups: php.general 
Request: Send a blank email to php-general+get-41640@lists.php.net to get a copy of this message
Im trying to build a user login system, and when there is a new user, I need to validate that they are usign using word characters ([0-9A-Za-z_] or \w)... I have TRIED MANY different regular expressions to test this, but none work. This seems so simple but I am missing something. I need a expression that returs true ONLY if ALL the characters match \w .... Any help would be appreciated.

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