is-language-code

Is given string a language code (as per IANA)

Usage no npm install needed!

<script type="module">
  import isLanguageCode from 'https://cdn.skypack.dev/is-language-code';
</script>

README

is-language-code

Is given string a language code (as per IANA)

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Install

The latest version is ESM only: Node 12+ is needed to use it and it must be imported instead of required. If your project is not on ESM yet and you want to use require, use an older version of this program, 3.1.0.

npm i is-language-code

Quick Take

import { strict as assert } from "assert";

import { isLangCode } from "is-language-code";

assert.deepEqual(isLangCode("de-419-DE"), {
  res: false,
  message: 'Two region subtags, "419" and "de".',
});

assert.deepEqual(isLangCode("sr-Latn"), {
  res: true,
  message: null,
});

Documentation

Please visit codsen.com for a full description of the API and even a test playground.

Contributing

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

Licence

MIT License

Copyright (c) 2010-2022 Roy Revelt and other contributors

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