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<?php $re = '/^# cat B.*?(cat).*?(ugly).*?^# cat C$/ms'; $str = '# cat A the cat is very cute. # cat B the cat is very ugly. # cat C the cat is very good. #'; preg_match_all($re, $str, $matches, PREG_SET_ORDER); array_shift($matches[0]); print_r($matches[0]);
Output for 7.1.25 - 7.1.28, 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
Array ( [0] => cat [1] => ugly )

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137.44 ms | 407 KiB | 5 Q