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<?php $sText = '[post:1]Some test here......[/post]'; $pattern = '/\[.*?\:(\d)](.+)\[.*?\]/'; preg_match_all($pattern, $sText, $a); var_dump($a);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.29 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(3) { [0]=> array(1) { [0]=> string(35) "[post:1]Some test here......[/post]" } [1]=> array(1) { [0]=> string(1) "1" } [2]=> array(1) { [0]=> string(20) "Some test here......" } }

preferences:
184.01 ms | 406 KiB | 311 Q