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run code in 500+ PHP versions simultaneously
<?php $text = '[this is block this is also same "block" this is same block another same block] new block! another new block! [this is new block this is also a new block]'; var_export(preg_split('~\[[^\]]*](*SKIP)(*FAIL)|\R~', $text));
Output for 5.6.38, 7.0.33, 7.1.25, 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 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
array ( 0 => '[this is block this is also same "block" this is same block another same block]', 1 => 'new block!', 2 => 'another new block!', 3 => '[this is new block this is also a new block]', )
preferences:
81.76 ms | 1442 KiB | 4 Q