3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $url = "https://mail.google.com/mail/u/1/#inbox"; $regexp = "/^(?:https?\:\/\/)?[^\.\-]([a-zA-Z\_\.\-]+)\//"; preg_match($regexp, $url, $matches); var_dump($matches);
based on ZRDQG
Output for 4.3.0 - 7.2.0
array(2) { [0]=> string(24) "https://mail.google.com/" [1]=> string(14) "ail.google.com" }