$re = '/^https?:\/\/[^\/]+(\/d\/|\/m\/)/mi';
$str = 'https://internet.hughesnet.com/d/order/?exp=1
https://test-internet.hughesnet.redventures.com/d/order/?exp=1
http://localhost-internet.hughesnet.redventures.com/d/order/?exp=1
https://internet.hughesnet.com/mobile/order/?exp=1
https://test-internet.hughesnet.redventures.com/mobile/order/?exp=1
http://localhost-internet.hughesnet.redventures.com/mobile/order/?exp=1
https://internet.hughesnet.com/m/order/?exp=1
https://test-internet.hughesnet.redventures.com/m/order/?exp=1
http://localhost-internet.hughesnet.redventures.com/m/order/?exp=1
https://internet.hughesnet.com/order/?exp=1
https://test-internet.hughesnet.redventures.com/order/?exp=1
http://localhost-internet.hughesnet.redventures.com/order/?exp=1
https://internet.hughesnet.com/?exp=1
https://test-internet.hughesnet.redventures.com/?exp=1
http://localhost-internet.hughesnet.redventures.com/?exp=1
https://www.directvdeals.com/d/bundles.html
https://www.directvdeals.com/d/?hnkw=%2Bhughesnet&s_ace=&s_adp=1t1&s_agid=39321230140&s_aid=221800323027&s_cid=739574798&s_dvc=c&s_kid=22337170519&s_loci=&s_locp=9010670&s_ntwk=g&s_pid=1&s_plid=&s_sid=197&s_tgtid=aud-329726877564:kwd-22337170519&utm_mcid=3198048&utm_source=google&utm_medium=cpc&utm_term=%2Bhughesnet&utm_cmpid=739574798&utm_adgid=39321230140&utm_tgtid=aud-329726877564:kwd-22337170519&utm_mt=b&utm_adid=221800323027&utm_dvc=c&utm_ntwk=g&utm_adpos=1t1&utm_plcmnt=&utm_locphysid=9010670&utm_locintid=&utm_feeditemid=&utm_devicemdl=&utm_plcmnttgt=&gclid=CjwKCAjw36DpBRAYEiwAmVVDMMUJoi-t1iWDby7eC5zV3HqMA4RM9iIDsihOnFwTNw9P2seGKtSfoRoCuTMQAvD_BwE';
preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
// Print the entire match result
var_dump($matches);
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php