3v4l.org

run code in 300+ PHP versions simultaneously
<?php $mystring = 'JS35BX54NV33'; var_export(preg_replace('/(?<=\D)(?=\d)|(?<=\d)(?=\D)/', ' ', $mystring));
Output for 7.2.0 - 7.2.34, 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 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
'JS 35 BX 54 NV 33'
preferences:
82.41 ms | 1521 KiB | 4 Q