When the difference is one of script or script variety, as for simplified versus traditional Chinese characters, it should be expressed with a script subtag instead of a region subtag; in this example, zh-Hans and zh-Hant should be used instead of zh-CN and zh-HK.
English language | French language | Spanish language | German language | Italian language | Russian language | Greek language | Arabic language | Portuguese language | Chinese language | Swedish language | Japanese language | Turkish language | Tamil language | Dutch language | Persian language | Hebrew language | Hungarian language | Irish language | Bengali language | Polish language | Telugu language | Korean language | Welsh language | Java (programming language) | Czech language | Serbian language | Catalan language | Finnish language | Academy Award for Best Foreign Language Film |