3v4l.org

run code in 300+ PHP versions simultaneously
<?php $week = "Monday,Tuesday,Wednesay,Thursday,Friday,Saturday,Sunday"; $preg = "/([^,]+),([^,]+)$/"; preg_match($preg, $week, $match); print_r($preg);
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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
/([^,]+),([^,]+)$/
preferences:
138.43 ms | 404 KiB | 227 Q