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<?php $a = 'b288765#302637 313594&j~ 339864, 363534///375984, 384246, 154a'; preg_match_all('/\d+/', $a,$b); print_r($b);
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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [0] => Array ( [0] => 288765 [1] => 302637 [2] => 313594 [3] => 339864 [4] => 363534 [5] => 375984 [6] => 384246 [7] => 154 ) )

preferences:
282.9 ms | 406 KiB | 370 Q