"Alphanumeric comparison tests
New UC, LC, MC, UN, LN and MN keywords (similar to the previously available
NUM keyword) now allow you to test a field for various combinations of
alphanumeric characters or non-alphanumeric characters using binary (BI) format.
The new keywords allow you to select any of the following alphanumeric
v UC: Uppercase characters (A-Z)
LC: Lowercase characters (a-z)
MC: Mixed case characters (A-Z, a-z)
UN: Uppercase and numeric characters (A-Z, 0-9)
LN: Lowercase and numeric characters (a-z, 0-9)
MN: Mixed case and numeric characters (A-Z, a-z, 0-9)
You can use these new keywords in the following comparison operands: COND,
INCLUDE, OMIT, BEGIN, END, WHEN and TRLID."
There are similar new options for starting and ending PARSE.