BCP 47 language tag is a code to identify human languages.

Language Tags or codes that represent the language indicate the language.

Language Subtags

Language subtags are based on ISO 639, which defines two-letter (ISO 639-1) and three-letter (ISO 639-3) language codes. Here are some common examples:

• en: English
• fr: French
• de: German
• es: Spanish
• it: Italian
• pt: Portuguese
• ru: Russian
• zh: Chinese
• ja: Japanese
• ko: Korean
• ar: Arabic
• hi: Hindi
• sw: Swahili

Script Subtags

Script subtags are based on ISO 15924 and consist of four letters, with the first letter capitalized. Here are common script subtags:

• Latn: Latin script (used for many Western languages, like English, French, Spanish)
• Cyrl: Cyrillic script (used for Russian, Bulgarian, Serbian, etc.)
• Arab: Arabic script (used for Arabic, Urdu, Persian, etc.)
• Hans: Simplified Chinese characters
• Hant: Traditional Chinese characters
• Deva: Devanagari script (used for Hindi, Marathi, Nepali, etc.)
• Grek: Greek script (used for Greek)
• Hebr: Hebrew script (used for Hebrew)
• Jpan: Japanese script (combines Kanji, Hiragana, and Katakana)
• Kore: Korean script (Hangul and Hanja)

BCP 47 Language Codes List:

af-ZA Afrikaans South Africa
am-ET Amharic Ethiopia
ar-SA Arabic Saudi Arabia
az-AZ Azerbaijani Azerbaijan
be-BY Belarusian Belarus
bg-BG Bulgarian Bulgaria
bn-IN Bengali India
bs-BA Bosnian Bosnia and Herzegovina
ca-ES Catalan Spain
cs-CZ Czech Czech Republic
cy-GB Welsh United Kingdom
da-DK Danish Denmark
de-AT German Austria
de-CH German Switzerland

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