3v4l.org

run code in 300+ PHP versions simultaneously
<?php $recipientsArray = preg_grep('/[-0-9a-zA-Z.+_]+@[-0-9a-zA-Z.+_]+\.[a-zA-Z]+/', explode(' ', $this->recipients)); var_dump($recipientsArray);

preferences:
33.51 ms | 402 KiB | 5 Q