3v4l.org

run code in 500+ PHP versions simultaneously
<?php $text = 'test //ita https://example.com lics// test // another // one'; $regex = '~(https?://)(*SKIP)(*F)|//\s*((?:(?1)|.)*?)\s*//~'; preg_match_all($regex, $text, $matches); print_r($matches[2]);
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
Array ( [0] => ita https://example.com lics [1] => another )

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77.79 ms | 1018 KiB | 4 Q