3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $test = 'Joe Doe <doe@example.com>, postmaster@example.com, root, "Bob Smith" <bob@smith.com>'; $regex = '/[a-z0-9!#$%&\'*+\/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&\'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?/'; print preg_match_all($regex, $test , $matches); print_r($matches);
Output for 5.2.0 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_match_all(): Unknown modifier '=' in /in/YZTnN on line 4
Output for hhvm-3.10.0 - 3.12.0
Warning: Unknown modifier '=': [/[a-z0-9!#$%&'*+\/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?/] in /in/YZTnN on line 4
Output for 4.3.11 - 5.1.6
Warning: preg_match_all(): Unknown modifier '=' in /in/YZTnN on line 4 Array ( )
Output for 4.3.0 - 4.3.10
Warning: Unknown modifier '=' in /in/YZTnN on line 4 Array ( )