> [snip] > > Why not use two checks? One that checks for 4 digits, the other checks > for existence of 8 anywhere in the string? > > Cheers, > Rob. > [/snip] > > Of course that is a possibility. But I wonder if there is a way to do it > with ONE expression. So there are no AND operator in Regular Expressions > then I assume. > > /^([0-9]{4}&[0-9]{0,3}8[0-9]{0,3})$/ > > That would be nice :) But now there are no AND operator :*( > > /Peter As Rob suggested, why not just use two checks? e.g. if ( (strlen($input) == 4) && (strpos($input, '8') !== FALSE ) ) { // OK } else { // Not OK } Not only is this logic much easier to understand than a regexp - important when someone else has to maintain your code later on etc., I also believe it will be faster than using preg_match. Edward -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php