2.7.4 GUID

The GUID data type is a value of an element of the string type (section 2.7) with the following regular expression format:

[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}