3v4l.org

run code in 300+ PHP versions simultaneously
<?php $subject = "3rd from last"; preg_match('~(?:(?P<index>[0-9]+)rd|st) from (?P<position>last|end|start|beginning)+~', $subject, $matches); var_dump($matches);

preferences:
39.3 ms | 402 KiB | 5 Q