Online PHP editor | output for OtXtT

<?php $subject = "http://jennifer.com/arrest/def/101"; $pattern = '@^(?:http://)?([^/]+)@i'; preg_match($pattern, $subject, $matches); print_r($matches); $url = parse_url("http://www.jennifer.com/user/101/article"); print_r($url); preg_match('/\\\:[a-zA-Z0-9\_\-]+/', "/user/:id/article", $matches); print_r($matches); $pattern = "@^" . preg_replace('/\\\:[a-zA-Z0-9\_\-]+/', '([a-zA-Z0-9\-\_]+)', preg_quote('/user/:id/article')) . "$@D"; $matches = array(); $match = preg_match($pattern, '/user/101/article', $matches); print_r($match);