3v4l.org

run code in 500+ PHP versions simultaneously
<?php $str = '£££2343423 34234238& '; $new = preg_replace('/^[^\p{L}0-9]+|[^\p{L}0-9]+\z/u', '', $str); echo $new;
Output for 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
2343423 34234238
preferences:
32.03 ms | 1152 KiB | 7 Q