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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 

occ - Occurrence

Other versions: 7.31 | 7.40 | 7.54


... ( ... occ = occ ...  ) ...


In string functions that are being searched, the parameter occ specifies the occurrence of a match. occ is a numeric expression position of type i.

If occ is positive, the occurrences are counted from the left; if occ is negative, the they are counted from the right. The values 1, 2, .... indicate the first, second, ... occurrences. The values -1, -2, .... indicate the last, last but one, ... occurrences.

The default value of occ is 1. Except in the case of the replacement function replace, the value 0 raises an exception from the class CX_SY_STRG_PAR_VAL.


The sign of occ also modifies the default values of off and len.