string-find-malformed

Search for a malformed string. Think of Levenshtein distance but in search.

Install

This package is pure ESM. If you're not ready yet, install an older version of this program, 2.1.0 (npm i string-find-malformed@2.1.0).

npm i string-find-malformed

Quick Take

import { strict as assert } from "node:assert";

import { findMalformed } from "string-find-malformed";

// Below, we look for dodgy cases of `<!--`
const gathered = [];
findMalformed(
  "<div><!-something--></div>",
  "<!--",
  // your callback function:
  (obj) => {
    gathered.push(obj);
  },
  {
    maxDistance: 1, // Levenshtein distance
  },
);
assert.deepEqual(gathered, [
  {
    idxFrom: 5,
    idxTo: 8,
  },
]);

Documentation

Please visit codsen.com for a full description of the API. If you’re looking for the Changelog, it’s here.

Contributing

To report bugs or request features or assistance, raise an issue on GitHub.

Licence

MIT License

Copyright 2010-2026 Roy Revelt and other contributors