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<?php $str = 'FFFFRRFFFFFFFPPRRRRRRLLRLLRLLLPPFPPLPPLPPLFPPFFPFLRPFFRRLLRPFPRFFFFFFFLFDRRFRRFFFFFFFFRQEE'; $res = preg_split('/([PDQE])(?:.*\1)?/', $str); print_r($res);
Output for 7.1.25 - 7.1.30, 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 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.13
Array ( [0] => FFFFRRFFFFFFF [1] => RFFFFFFFLF [2] => RRFRRFFFFFFFFR [3] => [4] => )
preferences:
78.27 ms | 407 KiB | 5 Q