# is-language-code
> Is given string a language code (as per IANA)
## Install
```bash
npm i is-language-code
```
## Quick Take
```js
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](https://codsen.com/os/is-language-code/) for a full description of the API, examples and even a test playground.
## Contributing
To report bugs or request features or assistance, [raise an issue](https://github.com/codsen/codsen/issues/new/choose) on GitHub.
## Licence
MIT License
Copyright (c) 2010-2021 Roy Revelt and other contributors
