Online PHP editor | refs for io1cm

<?php $re = '/^(?:\+?1\h?)?(?:($)?\d{3}(?(1)$)([-. ]?)\d{3}\2\d{4}|\d{11})$/m'; $str = '589-845-2889 (589)-845-2889 589.845.2889 589 845 2889 5898452889 (589) 845 2889 1(589) 845 2889 +1(589) 845 2889 1589 845 2889 1 589 845 2889 15898452889 +1207 244 7002 +1 207 244 7002'; preg_match_all($re, $str, $matches); print_r($matches[0]);