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Documentation Index

Fetch the complete documentation index at: https://www.integrate.io/docs/llms.txt

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Description

Normalizes a language name or code to an ISO 639 language code. Use it to standardize language values from mixed sources before storing, deduplicating, or joining on language.

Syntax

NormalizeLanguage(string_expression)

Examples

NormalizeLanguage('English') returns 'en'. NormalizeLanguage('eng') returns 'en'. NormalizeLanguage('Français') returns 'fr'.

Return value datatype

String

Impact of null value

If input is null, returns null. If the input cannot be parsed as a valid language, returns null.
Last modified on May 26, 2026