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

Syntax for General Format for the LOWER-CASE function


  1. Argument-1 must be of class alphabetic or alphanumeric

    ENTMF , national, or UTF-8,

    and must be at least one character in length.

  2. If argument-1 is alphanumeric, it must not contain any UTF-8 encoded characters.

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. If the computer character set does not include lower-case letters, no changes take place in the character string.
  3. If argument-1 is not of class UTF-8, the character string returned has the same length as argument-1.

    ENTMF For UTF-8 arguments, the returned string may have a different byte length than the byte length of argument-1.