For Character Strings:

• An SBCS percent sign matches any number of SBCS and/or DBCS characters.

• A DBCS percent sign matches any number of SBCS and/or DBCS characters, i.e. a DBCS percent sign works in the same way as an SBCS percent sign.

• An SBCS underscore matches one SBCS character.

• A DBCS underscore matches one DBCS character.