3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pattern = "/[^:alpha:0-9_\s\'-]/i"; preg_match($pattern, "test#dsd", $matches); var_dump($matches); preg_match($pattern, "ajedrez español", $matches2); var_dump($matches2); preg_match($pattern, "my clúb", $matches3); var_dump($matches3);

preferences:
57.66 ms | 402 KiB | 5 Q