- Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
- Holy f*** n s****, Batman; The Joker's shooting The Riddler!
<?php
$bad = ['fook', 'shoot'];
$pattern = '/(?:\b(?=(?:' . implode('|', $bad) . ')\b)\w\K|\G(?!^))\w/i';
echo preg_replace($pattern, '*', 'Holy fook n shoot, Batman; The Joker\'s shooting The Riddler!');