3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $subject = "#CAPTION"; $pattern = '/^([A-Z]+)/'; echo preg_match($pattern, $subject, $matches, PREG_OFFSET_CAPTURE); print_r($matches);
Output for 4.3.0 - 5.6.22, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
0Array ( )