The LOWER-CASE Function

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



  1. Argument-1 must be class alphabetic or alphanumeric

    MF or national

    and must be at least one character in length.

Returned Values

  1. The same character string as argument-1 is returned, except that each upper-case letter is replaced by the corresponding lower-case letter.
  2. The character string returned has the same length as argument-1.
  3. If the computer character set does not include lower-case letters, no changes take place in the character string.