Instance Method
localizedString(forRegionCode:)
iOS 8.0+
iPadOS 8.0+
Mac Catalyst 8.0+
macOS 10.10+
tvOS 9.0+
watchOS 2.0+
Returns a localized string for a specified region code.
func localizedString(forRegionCode regionCode: String) -> String?
Discussion
For example, in the “en” locale, the result for "fr" is "France".