http://www.w3.org/2005/07/xml-schema-patterns.html http://www.w3.org/2005/07/xml-schema-patterns.html#Naming http://www.w3.org/2005/07/xml-schema-patterns.html http://www.w3.org/2005/07/xml-schema-patterns.html#Naming http://www.w3.org/2005/07/xml-schema-patterns.html#Naming