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<?php function filterwords(string $text, array $bannedWords) { return preg_replace( '/(?=\b(?:' . implode('|', $bannedWords) . ')\b)\w|\G(?!^)\w/i', '*', $text ); } echo filterwords("I am a dummy, but I'm not dumb", ['dummy']);
Output for git.master_jit, git.master, rfc.property-hooks
I am a *****, but I'm not dumb

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