3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $regexp = '/foo( bar)? (baz)/'; preg_match($regexp, 'foo baz', $matches); print_r($matches);
Output for 4.3.0 - 7.1.0
Array ( [0] => foo baz [1] => [2] => baz )