The following code snippet is a REGEX that validates characters that are not in English, as well as English characters. The class method "test" takes an email address and validates it based on this additional criteria:
InterSystems ObjectScript is a scripting language to operate with data using any data model of InterSystems Data Platform (Objects, Relational, Key-Value, Document, Globals) and to develop business logic for serverside applications on InterSystems Data Platform.