3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $string = '{ABC!@#5[XYZ:5]jkfjk[fkjkj]}'; preg_match('/\[.*?\]/', $string, $matches); print_r($matches);
based on 833nu
Output for 4.3.0 - 7.1.0
Array ( [0] => [XYZ:5] )