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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.