Online PHP editor | refs for eqdsr

<?php $postcode = 'SW196QX'; // Validate the postcode if (preg_match( '/^GIR 0AA)|((([A-Z-[QVX]][0-9][0-9]?)|(([A-Z-[QVX]][A-Z-[IJZ]][0-9][0-9]?)|(([A-Z-[QVX]][0-9][A-HJKPSTUW])|([A-Z-[QVX]][A-Z-[IJZ]][0-9][ABEHMNPRVWXY])))) [0-9][A-Z-[CIKMOV]]{2})$/', $postcode ) === 1) { echo 'Invalid'; } else { echo 'Valid'; }