3v4l.org

run code in 300+ PHP versions simultaneously
<?php $re = '/\b(\d+)\.[A-Z]/'; $str = 'There are stores attached: Store1 (Detached) **28876.Mazon** (Detached) 28455.Targo (Detached) 28389.Walmo (Detached)'; preg_match_all($re, $str, $matches); print_r($matches[1]);

preferences:
23.92 ms | 405 KiB | 5 Q