REPLACE is a keyword used in SAP ABAP programming.This tutorial covers its introduction & syntax details.
REPLACE
Basic form
REPLACE f WITH g INTO h.
Addition
... LENGTH len (length specification for field f )
Effect
Replaces
the first occurrence of the contents of field f in field h with the
contents of field g . All fields are handled in their defined length;
this means that closing blanks are not ignored.
The return code value indicates whether the string f was found in h and replaced by g :
SY-SUBRC = 0 String replaced.
SY_SUBRC = 4 String not replaced.
Example
DATA FIELD(10).
MOVE 'ABCB' TO FIELD.
REPLACE 'B' WITH 'string' INTO FIELD.
returns:
FIELD = 'AstringCB', SY-SUBRC = 0
Note
The fields f and g in the REPLACE statement should not overlap. Otherwise, the result is undefined.
Addition
... LENGTH len ... (length specification for field f )
Effect
Searches for the string f in the field h not in its (full) field length, but in the length len .
Example
DATA: PATTERN(5) VALUE 'ABC',
LEN TYPE I,
REPL_STRING(5) VALUE '12345',
FIELD(12) VALUE 'abcdeABCDE'.
REPLACE PATTERN WITH REPL_STRING
INTO FIELD.
does not change FIELD , since 'ABC ' does not occur in abcdeABCDE ' .
LEN = STRLEN( PATTERN ).
REPLACE PATTERN LENGTH LEN
WITH REPL_STRING
INTO FIELD.
changes FIELD to 'abcde12345DE' .
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