ABAP Keyword Documentation → ABAP - Reference → Processing Internal Data → Character String and Byte String Processing → Expressions and Functions for String Processing → String Functions → Common Parameters of Character String Functions
sub - Substring
Other versions: 7.31 | 7.40 | 7.54
... ( ... sub = substring ... ) ...
substring is used to pass a character string whose characters are to be found or inserted.
substring is a
character like expression
position. If a character-like data object with a fixed length is specified, any trailing blanks are ignored.
The behavior displayed when an empty string is specified in
substring depends on the function in question.