Comparing UTF-8 data
You can compare UTF-8 data, that is, UTF-8 literals and data items that have
USAGE UTF-8, explicitly or implicitly with other kinds of data in relation
You can code conditional expressions that use UTF-8 data in the following statements:
For full details about comparing UTF-8 data items to other data items, see the Related references.
Comparing two class UTF-8 operands
Comparing UTF-8 and other character-string operands
Comparing UTF-8 data and alphanumeric-group operands