This document to explain on how to remove special character based on FM.
Routine
CALL FUNCTION 'ZFM_ELIMINATE_INVALID_CHARS'
EXPORTING
I_VALUE = SOURCE_FIELDS-SGTXT
I_INFOOBJECT = '0POSTXT'
IMPORTING
O_VALUE = RESULT.
Create New FM
SE37
FUNCTION ZFM_ELIMINATE_INVALID_CHARS.
*"---------------------------------------------------------------------*"*"Local Interface:
*" IMPORTING
*" REFERENCE(I_VALUE)
*" REFERENCE(I_INFOOBJECT)
*" EXPORTING
*" REFERENCE(O_VALUE)
*"---------------------------------------------------------------------DATA: length TYPE I,
index TYPE I,
current_char TYPE C,
result(60) TYPE C,
infoobject TYPE RSD_IOBJNM.
CLEAR: result, infoobject.
MOVE I_VALUE TO result.
MOVE I_INFOOBJECT TO infoobject.
* TRANSLATE result TO UPPER CASE.
length = strlen( result ).
index = -1.
DO length TIMES.
index = index + 1.
current_char = result+index(1).
CALL FUNCTION 'RSKC_CHAVL_OF_IOBJ_CHECK'
EXPORTING
I_CHAVL
= current_char
I_IOBJNM
= infoobject
*
I_S_COB_PRO
=
*
I_T_COB_PRO_CMP =
EXCEPTIONS
CHAVL_NOT_ALLOWED = 1.
IF SY-SUBRC <> 0.
MOVE ' ' TO result+index(1).
ENDIF.
ENDDO.
MOVE result TO O_VALUE.
ENDFUNCTION.
*"----------------------------------------------------------------------
DATA: a TYPE c LENGTH 000050.
DATA: l_len TYPE i,
l_time TYPE i.
MOVE source_fields-sgtxt TO a.
TRANSLATE a TO UPPER CASE.
l_len = strlen( a ).
DO l_len TIMES.
IF a+l_time(1) CN ',<>?/\:;"''ABCDEFGHI
JKLMNOPQRSTUVWXYZ!%^&*()__+=1234567890' .
a+l_time(1) = '!'.
ENDIF.
l_time = l_time + 1.
ENDDO.
REPLACE ALL OCCURRENCES OF '!' IN a WITH space.
CONDENSE a.
result = a.