bcp-47

BCP 47/IANA language subtag data in JSON format.

A Swiss Army knife for language tags.

💪 Try as hard as possible to detect the client's language tag ("locale") in node or the browser. Browserify and Webpack friendly!

Match BCP 47 language tags with language ranges per RFC 4647

Regular expressions for matching IETF language tags (BCP 47)

Language tag parser for JavaScript and Node.js

Code for parsing the IANA Language Subtag Registry and implementing BCP 47 support in Firefox.

Select the most suitable language based on the IETF language tag.

Validates BCP-47 Language Tags using the npm package bcp-47 and formats them in a unique way to ensure consistency.