# CurrencyCode - `CurrencyCode()` Validates an [ISO 4217](http://en.wikipedia.org/wiki/ISO_4217) currency code like GBP or EUR. ```php v::currencyCode()->validate('GBP'); // true ``` ## Categorization - ISO codes - Localization ## Changelog Version | Description --------|------------- 2.0.0 | Became case-sensitive 1.0.0 | Created *** See also: - [CountryCode](CountryCode.md) - [SubdivisionCode](SubdivisionCode.md)