<?php
var_dump(preg_replace("/^[^a-zA-Z]+|[\!\#$\%\&\'\* \+\/\=\?\^\`{\|\}\~]+/", "", '_(32jkashdfkj$#'));
var_dump( preg_replace( '|[^a-z0-9 _.\-@]|i', '', '_(32jkashdfkj$#' ));
- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 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
- string(9) "jkashdfkj"
string(12) "_32jkashdfkj"
preferences:
224.97 ms | 406 KiB | 312 Q