Re: [PHP] check for alphanumeric characters

* John Nichel <[EMAIL PROTECTED]>: > 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])+$/", $stri

Re: [PHP] check for alphanumeric characters

Philip Hallstrom 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 )? http://us3.php.net/manual/en/function.ctype-alnum.php bool ctype_alnum ( string text ) Checks if all of the characters in the provided string, t

Re: [PHP] check for alphanumeric characters

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 )? http://us3.php.net/manual/en/function.ctype-alnum.php bool ctype_alnum ( string text ) Checks if all of the characters in the provided string, text, are alphanumeric. I

Re: [PHP] check for alphanumeric characters

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 716.85

RE: [PHP] check for alphanumeric characters

[snip] 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 )? [/snip] You can use a regular expression, start here http://us3.php.net/regex -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://w