3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "hello, how are you?you are fine. i am good too."; $output = preg_split('/[^A-Za-z\s]\s*/', $string, -1, PREG_SPLIT_NO_EMPTY); print_r($output);
Output for 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
Array ( [0] => hello [1] => how are you [2] => you are fine [3] => i am good too )

preferences:
145.13 ms | 407 KiB | 5 Q