Remove special char using hex or char.

FUNCTION zca_remove_escape.
*"----------------------------------------------------------------------
*"*"Local Interface:
*"  IMPORTING
*"     REFERENCE(IV_HEX) TYPE  XSTRING OPTIONAL
*"     REFERENCE(IV_CHARS) TYPE  CSEQUENCE OPTIONAL
*"  CHANGING
*"     REFERENCE(CV_DATA) TYPE  CSEQUENCE
*"----------------------------------------------------------------------

  DATA : lv_chars  TYPE char100.
  DATA : lv_string TYPE string.

  IF iv_hex IS NOT INITIAL.
    CALL FUNCTION 'HR_RU_CONVERT_HEX_TO_STRING'
      EXPORTING
        xstring = iv_hex
      IMPORTING
        cstring = lv_string.
    lv_chars = lv_string.
  ENDIF.

  IF iv_chars IS NOT INITIAL.
    lv_chars = iv_chars.
  ENDIF.

  IF lv_chars IS INITIAL.
    EXIT.
  ENDIF.

  FIND lv_chars IN cv_data.
  IF sy-subrc IS INITIAL.
    REPLACE ALL OCCURRENCES OF lv_chars
                            IN cv_data
                            WITH space.
  ENDIF.

ENDFUNCTION.