Placing Hyphen(-) between the characters
DATA : gv_string TYPE string VALUE 'DM999999999999' , gv_string_final TYPE string , lv_mod TYPE i , gv_length TYPE i , gv_offset TYPE i . gv_length = strlen ( gv_string ) . DO gv_length TIMES . CONCATENATE gv_string_final gv_string+gv_offset ( 1 ) INTO gv_string_final . IF sy - index = gv_length . "exit on reaching last caracter EXIT . ENDIF . IF sy - index = 2 . CONCATENATE gv_string_final...