ISO IEC 19776-1:2009 pdf download – Information technology — Computer graphics, image processing and environmental data representation — Extensible 3D (X3D) encodings — Part 1 : Extensible Markup Language (XML) encoding. 4 XQuery regular expressions 4.1 Context of XQuery regular expressions The requirements for the material discussed in this document shall be as specified in ISO/IEC 9075-2, ISO/IEC 9075-14, XML 1.0, XML 1.1, XML Schema Part 2: Datatypes, XQuery and XPath Functions and Operators 3.1, and Unicode Technical Standard #18 . 4.2 Introduction to XQuery regular expressions This document explains the manner in which XQuery regular expressions are used by...