Online PHP editor | refs for p3vu4

<?php var_dump(preg_match('#/search/(?P<mac>(?:[[:xdigit:]]{2}([-:]))(?:[[:xdigit:]]{2}\2){4}[[:xdigit:]]{2})#', '/search/12-12-12-12-12-12', $matches)); var_dump($matches); var_dump(preg_match('#(?P<mac>(?:[[:xdigit:]]{2}([-:]))(?:[[:xdigit:]]{2}\2){4}[[:xdigit:]]{2})#', '12-12-12-12-12-12', $matches)); var_dump($matches); var_dump(preg_match('#(?:[[:xdigit:]]{2}([-:]))(?:[[:xdigit:]]{2}\2){4}[[:xdigit:]]{2}#', '12-12-12-12-12-12', $matches)); var_dump($matches);