https://github.com/sebinsua/ietf-language-tag-regex

Regular expressions for matching IETF language tags (BCP 47)
https://github.com/sebinsua/ietf-language-tag-regex

bcp bcp-47 i18n ietf internationalization language locales localisation tag translations

Last synced: 29 days ago
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Regular expressions for matching IETF language tags (BCP 47)

• Host: GitHub
• URL: https://github.com/sebinsua/ietf-language-tag-regex
• Owner: sebinsua
• Created: 2017-03-02T15:01:36.000Z (over 7 years ago)
• Default Branch: master
• Last Pushed: 2017-03-02T19:22:05.000Z (over 7 years ago)
• Last Synced: 2024-10-11T08:10:05.990Z (about 1 month ago)
• Topics: bcp, bcp-47, i18n, ietf, internationalization, language, locales, localisation, tag, translations
• Language: JavaScript
• Size: 60.5 KB
• Stars: 8
• Watchers: 2
• Forks: 0
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md

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README

        
# `ietf-language-tag-regex`

> Regular expressions for matching IETF language tags (BCP 47)

Based on this [Stack Overflow comment](http://stackoverflow.com/a/7036171) by George Pollard.

## Install

## Usage

```js

const languageTagRegex = require('ietf-language-tag-regex')

languageTagRegex().test('en-GB')   // true

languageTagRegex().test('a-DE')    // false

languageTagRegex().test('zh-Hant') // true

```

## API

### languageTagRegex(options)

Returns a regex for matching IETF language tags.

#### options

##### exact

Type: `boolean`


Default: `true`

Only match an exact string. Useful with `RegExp#test` to check if a string is a language tag.