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9.2.0 • Public • Published

emoji-regex Build status

emoji-regex offers a regular expression to match all emoji symbols and sequences (including textual representations of emoji) as per the Unicode Standard.

This repository contains a script that generates this regular expression based on Unicode data. Because of this, the regular expression can easily be updated whenever new emoji are added to the Unicode standard.


Via npm:

npm install emoji-regex

In Node.js:

const emojiRegex = require('emoji-regex/RGI_Emoji.js');
// Note: because the regular expression has the global flag set, this module
// exports a function that returns the regex rather than exporting the regular
// expression itself, to make it impossible to (accidentally) mutate the
// original regular expression.
const text = `
\u{231A}: ⌚ default emoji presentation character (Emoji_Presentation)
\u{2194}\u{FE0F}: ↔️ default text presentation character rendered as emoji
\u{1F469}: 👩 emoji modifier base (Emoji_Modifier_Base)
\u{1F469}\u{1F3FF}: 👩🏿 emoji modifier base followed by a modifier
const regex = emojiRegex();
let match;
while (match = regex.exec(text)) {
  const emoji = match[0];
  console.log(`Matched sequence ${ emoji } — code points: ${ [...emoji].length }`);

Console output:

Matched sequence ⌚ — code points: 1
Matched sequence ⌚ — code points: 1
Matched sequence ↔️ — code points: 2
Matched sequence ↔️ — code points: 2
Matched sequence 👩 — code points: 1
Matched sequence 👩 — code points: 1
Matched sequence 👩🏿 — code points: 2
Matched sequence 👩🏿 — code points: 2

Regular expression flavors

The package comes with three distinct regular expressions:

// This is the recommended regular expression to use. It matches all
// emoji recommended for general interchange, as defined via the
// `RGI_Emoji` property in the Unicode Standard.
// https://unicode.org/reports/tr51/#def_rgi_set
// When in doubt, use this!
const emojiRegexRGI = require('emoji-regex/RGI_Emoji.js');
// This is the old regular expression, prior to `RGI_Emoji` being
// standardized. In addition to all `RGI_Emoji` sequences, it matches
// some emoji you probably don’t want to match (such as emoji component
// symbols that are not meant to be used separately).
const emojiRegex = require('emoji-regex/index.js');
// This regular expression matches even more emoji than the previous
// one, including emoji that render as text instead of icons (i.e.
// emoji that are not `Emoji_Presentation` symbols and that aren’t
// forced to render as emoji by a variation selector).
const emojiRegexText = require('emoji-regex/text.js');

Additionally, in environments which support ES2015 Unicode escapes, you may require ES2015-style versions of the regexes:

const emojiRegexRGI = require('emoji-regex/es2015/RGI_Emoji.js');
const emojiRegex = require('emoji-regex/es2015/index.js');
const emojiRegexText = require('emoji-regex/es2015/text.js');

For maintainers

How to update emoji-regex after new Unicode Standard releases

  1. Update the Unicode data dependency in package.json by running the following commands:

    # Example: updating from Unicode v12 to Unicode v13. 
    npm uninstall @unicode/unicode-12.0.0
    npm install @unicode/unicode-13.0.0 --save-dev
  2. Generate the new output:

    npm run build
  3. Verify that tests still pass:

    npm test
  4. Send a pull request with the changes, and get it reviewed & merged.

  5. On the master branch, bump the emoji-regex version number in package.json:

    npm version patch -m 'Release v%s'

    Instead of patch, use minor or major as needed.

    Note that this produces a Git commit + tag.

  6. Push the release commit and tag:

    git push               # push the commit 
    git push origin v0.1.2 # push the tag 

    Our CI then automatically publishes the new release to npm.


Mathias Bynens


emoji-regex is available under the MIT license.


npm i emoji-regex

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