note 34538 added to function.strspn

// if you want to limit the user to only using allowed chars: function msCheckStrCharsOnly ($myuserstr,$myallowedchars) { $myres=TRUE; $mycheck=strspn($myuserstr,$myallowedchars); if(strlen($myuserstr) != $mycheck) $myres=FALSE; return $myres; } // our allowed chars will be: $charsallowed='ABCDEFGHIJKLMOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'; // check the string 'This is a test' if it contains allowed chars only if (msCheckStrCharsOnly('This is a test',$charsallowed)) echo ('No invalid Chars contained'); else echo('ERROR: contains invalid chars!'); /* this will print 'ERROR: contains invalid chars!' because the ' ' (space) char is not allowed! */ ---- Manual Page -- http://www.php.net/manual/en/function.strspn.php Edit Note -- http://master.php.net/manage/user-notes.php?action=edit+34538 Delete Note -- http://master.php.net/manage/user-notes.php?action=delete+34538&report=yes Reject Note -- http://master.php.net/manage/user-notes.php?action=reject+34538&report=yes