3v4l.org

run code in 500+ PHP versions simultaneously
<?php $string = <<<TEXT [Beginning] ABC [Ending] [Beginning] DEF [Ending] [Beginning] GHI [Ending] [Beginning] JKL [Ending] [Beginning] MNO [Ending] TEXT; preg_match_all('/^' . preg_quote('[Beginning]') . '[\r\n]+(.*)[\r\n]+' . preg_quote('[Ending]') . '$/m', $string, $matches); print_r($matches);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 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 ( [0] => Array ( [0] => [Beginning] ABC [Ending] [1] => [Beginning] DEF [Ending] [2] => [Beginning] GHI [Ending] [3] => [Beginning] JKL [Ending] [4] => [Beginning] MNO [Ending] ) [1] => Array ( [0] => ABC [1] => DEF [2] => GHI [3] => JKL [4] => MNO ) )
preferences:
121.1 ms | 1521 KiB | 4 Q