Re: check for alphanumeric characters

From: Date: Fri, 29 Apr 2005 15:25:46 +0000
Subject: Re: check for alphanumeric characters
References: 1  Groups: php.general 
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Diana Castillo wrote:
what kind of a function can I use that will tell me whether a variable is alphanumeric (that is has only characters A-Z or 1-9 )?
Something like this should work. (untested) preg_match ( "/^([a-z]||[A-Z]||[0-9])+$/", $string ) -- John C. Nichel ÜberGeek KegWorks.com 716.856.9675 john@kegworks.com

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