Code: Alles auswählen.
DATA:
  ld_alpha  TYPE STRING,
  ld_char   TYPE STRING,
  ld_number TYPE STRING.
ld_alpha = '23425234mmmna'.
ld_number = ld_char = ld_alpha.
REPLACE ALL occurences OF REGEX '[0-9]' IN ld_char WITH SPACE.
REPLACE ALL occurences OF REGEX '[^0-9]' IN ld_number WITH SPACE.