3v4l.org

run code in 300+ PHP versions simultaneously
<?php $matches = "1111ewrw__"; preg_match("/(\w+)?/", "1ewrw",$matches); print_r($matches); echo "\n"; preg_match("/(\w*)/", "rwerwe",$matches); print_r($matches);

preferences:
67.27 ms | 402 KiB | 5 Q