3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = '["P4950Zp550","P4950Zp575","P4950Zp600","P5000Zp550","P5000Zp575","P5000Zp600","P4975Zp550","P4975Zp600"]'; if (preg_match('~^\["[PM]\d{3,5}Z[pm]\d{3,5}(?:","[PM]\d{3,5}Z[pm]\d{3,5}){7}"]$~', $string)) { echo "pass"; } else { echo "fail"; }
Output for git.master, git.master_jit, rfc.property-hooks
pass

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