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Validate language code

Source: R/validate_language.R
validate_language.Rd

A valid language code is a string in the format of xx-YY, where xx is a two-letter lowercase language code and YY is a two-letter uppercase country code. For example, en-GB for English (United Kingdom) and nl-BE for Dutch (Belgium).

Usage

validate_language(language)

Arguments

language

A string to validate

Value

The input language code if it is valid, otherwise an error message.

See also

Other validation: validate_citation(), validate_email(), validate_license(), validate_orcid(), validate_ror(), validate_url()