3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php preg_match("!src=(\"|'|\\\\\")http://cdn.imhonet.ru/(avatars|photos|element|blog_teasers|person|file_images|video\/)(.*\/)(.)([a-z0-9\._]+)(\"|'|\\\\\")!Uis", 'http://cdn.imhonet.ru/element/large/3c/50/3c5044ee7bf3bc3a81a32f0a85607700.jpg ', $matches); var_dump($matches);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(0) { }