Searched refs:isExtensionSingletonChar (Results 1 – 3 of 3) sorted by relevance
168 return LanguageTag.isExtensionSingletonChar(c) || LanguageTag.isPrivateusePrefixChar(c); in isValidKey()
625 public static boolean isExtensionSingletonChar(char c) { in isExtensionSingletonChar() method in LanguageTag
143 if (!isBcpPrivateuse && !LanguageTag.isExtensionSingletonChar(singleton)) { in setExtension()