appears_in: []
contributor:
  email: cthoyt@gmail.com
  github: cthoyt
  name: Charles Tapley Hoyt
  orcid: 0000-0003-4423-4370
depends_on: []
deprecated: false
description: Shorthand representations of languages and their subtypes
example: en-GB
example_extras:
- aaf
- ar-SA
- en
homepage: http://www.iana.org/assignments/language-subtag-registry/language-subtag-registry
keywords: []
mappings:
  bartoc: '2022'
  wikidata: P305
  wikidata.entity: Q1059900
name: Internet Engineering Task Force Language Tag
pattern: ^\w{2,3}(-\w+)?$
preferred_prefix: ietf.language
prefix: ietf.language
providers: []
publications: []
synonyms:
- bcp47
