3v4l.org

run code in 150+ 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 gM9n2
Output for 5.2.0 - 7.1.0
Warning: preg_match(): No ending delimiter '^' found in /in/pK9bY on line 5 NULL
Output for 4.3.11 - 5.1.6
Warning: preg_match(): No ending delimiter '^' found in /in/pK9bY on line 5 array(0) { }
Output for 4.3.0 - 4.3.10
Warning: No ending delimiter '^' found in /in/pK9bY on line 5 array(0) { }