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How to check whether a user string contains any forbidden words from a list in JavaScript

1 Answer

0 votes
const forbidden = ["badword", "evil", "kill", "nasty", "terrible"];
const text = "This text contains a badword inside";

const lower = text.toLowerCase();

if (forbidden.some(w => lower.includes(w))) {
  console.log("Forbidden word detected");
} else {
  console.log("No forbidden words found");
}




/*
run:

Forbidden word detected

*/

 



answered Dec 27, 2025 by avibootz

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