The LOWER-CASE function returns a character string that is the same length as argument-1 with each upper-case letter replaced by the corresponding lower-case letter. The type of this function depends on the argument as follows:
| Argument Type
|
Function Type
|
| Alphabetic
|
Alphanumeric
|
| Alphanumeric
|
Alphanumeric
|
| National
|
National
|
General Format
Arguments
- Argument-1 must be class alphabetic or alphanumeric
or national
and must be at least one character in length.
Returned Values
- The same character string as argument-1 is returned, except that each upper-case letter is replaced by the corresponding lower-case letter.
- The character string returned has the same length as argument-1.
- If the computer character set does not include lower-case letters, no changes take place in the character string.
