Eine Lösung ist folgender ABAP Code
DATA: zeichen(1) TYPE c,
muster(2) TYPE c,
field TYPE c LENGTH 000060.
field = SOURCE_FIELDS-YYSTREET.
DO.
    IF field CO
        ' !"%&()*+,-./:;<=>?_0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÜßabcdefg'
& & 'hijklmnopqrstuvwxyzäöü '.
        EXIT.
    ELSE.
        zeichen = field+sy-fdpos(1).
        muster+0(1) = zeichen.
        muster+1(1) = space.
        TRANSLATE field USING muster.
    ENDIF.
ENDDO.
RESULT = field. 
 





















