Format Function -- User-Defined String Formats

Description

You can use any of the following characters to create a format expression for strings:

Character	Description
@	Character placeholder
	Display a character or a space. If the string has a character in the position where the @ appears in the format string, display it; otherwise, display a space in that position. Placeholders are filled from right to left unless there is an ! character in the format string. See below.
&	Character placeholder
	Display a character or nothing. If the string has a character in the position where the & appears, display it; otherwise, display nothing. Placeholders are filled from right to left unless there is an ! character in the format string. See below.
<	Force lowercase
	Display all characters in lowercase format.

Character	Description
>	Force uppercase
	Display all characters in uppercase format.
!	Force left to right fill of placeholders
	The default is to fill from right to left.