3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = '  love@outerbanks.org  '; preg_match('/(\x{c2a0}*)/u', $string, $out); for ($i = 0;$i < strlen($out[1]);$i++) { echo dechex(ord($out[1][$i])).PHP_EOL; } var_dump($out);

preferences:
35.77 ms | 402 KiB | 5 Q