3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'T1 - X1(1), 7 T2 - C2(-9), -15 T3 - Y2(1), 3 T5 - C2(-1), 100'; print_r(preg_split('/-\d(*SKIP)(*FAIL)|\s*[-,#\n#()]\s*/', $string, -1, PREG_SPLIT_NO_EMPTY));
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.1.29, 8.2.0 - 8.2.20, 8.3.0 - 8.3.8
Array ( [0] => T1 [1] => X1 [2] => 1 [3] => 7 [4] => T2 [5] => C2 [6] => -9 [7] => -15 [8] => T3 [9] => Y2 [10] => 1 [11] => 3 [12] => T5 [13] => C2 [14] => -1 [15] => 100 )
preferences:
166.62 ms | 404 KiB | 292 Q