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Only a-z, A-Z and 0-9 in $var?

Posted: Wed May 14, 2003 3:55 pm
by InternetX
How can I check if a variable has only a-z, A-Z and 0-9?
So that on every other input an error occured?

Sorry for my english... -.-...

Posted: Wed May 14, 2003 3:58 pm
by twigletmac

Posted: Wed May 14, 2003 4:07 pm
by InternetX
Thanks...

Posted: Wed May 14, 2003 6:57 pm
by McGruff
or ctype_alnum()

Posted: Thu May 15, 2003 6:30 am
by InternetX
Thanks :-)
It works