https://github.com/nodeca/unhomoglyph

Replace all homoglyphs with base characters. Useful to detect similar strings.
https://github.com/nodeca/unhomoglyph

Last synced: 7 days ago
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Replace all homoglyphs with base characters. Useful to detect similar strings.

• Host: GitHub
• URL: https://github.com/nodeca/unhomoglyph
• Owner: nodeca
• License: mit
• Created: 2016-12-09T07:10:24.000Z (almost 8 years ago)
• Default Branch: master
• Last Pushed: 2020-05-18T05:06:56.000Z (over 4 years ago)
• Last Synced: 2024-04-14T04:22:27.199Z (7 months ago)
• Language: JavaScript
• Homepage:
• Size: 46.9 KB
• Stars: 37
• Watchers: 5
• Forks: 12
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md
  • License: LICENSE

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README

        
# unhomoglyph

[![Build Status](https://img.shields.io/travis/nodeca/unhomoglyph/master.svg?style=flat)](https://travis-ci.org/nodeca/unhomoglyph)

[![NPM version](https://img.shields.io/npm/v/unhomoglyph.svg?style=flat)](https://www.npmjs.org/package/unhomoglyph)

> Replace all homoglyphs with base characters. Useful to detect similar strings.

For example, to prohibit register similar looking nicknames at websites.

Data source - [Recommended confusable mapping for IDN](http://www.unicode.org/Public/security/latest/confusables.txt), v13.0.0.

__Note!__ Text after transform is NOT intended be read by humans. For example,

`m` will be transformed to `r` + `n`. Goal is to compare 2 strings after

transform, to check if sources looks similar or not. If sources look similar,

then transformed strings are equal.

## Install

```bash

npm install unhomoglyph --save

```

## Example

```js

const unhomoglyph = require('unhomoglyph');

console.log(unhomoglyph('AΑАᎪᗅᴀꓮ')); // => AAAAAAA

console.log(unhomoglyph('m'));        // => rn (r + n)

//

// Compare nicknames

//

const username1 = 'm';

const username2 = 'rn';

if (unhomoglyph(username1) === unhomoglyph(username2)) {

  console.log(`"${username1}" and "${username2} look similar`);

}

```

## Update

```bash

npm run update

```

## License

[MIT](https://github.com/nodeca/unhomoglyph/blob/master/LICENSE)