3v4l.org

run code in 500+ PHP versions simultaneously
<?php $re = '/(?:\?|\G(?!^))\K\.[a-zA-Z]+/'; $str = 'othertext ?.abc.de.fgh.i moretext'; preg_match_all($re, $str, $matches); var_dump($matches[0]);
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array(4) { [0]=> string(4) ".abc" [1]=> string(3) ".de" [2]=> string(4) ".fgh" [3]=> string(2) ".i" }
preferences:
101.68 ms | 1498 KiB | 4 Q