How to identify end of the string is ABAP

Hi friends,
While I am doing an operation on a string, I want to identify the end of the string. In C we have <b>\0</b>. But in SAP how can we identify that we have reached the end of the string.
Sathish Reddy.

use this function and get there 1st character
CALL FUNCTION 'STRING_REVERSE'
     EXPORTING
          STRING    = ZFNAME
          LANG      = SY-LANGU
     IMPORTING
          RSTRING   = ZFNAME
     EXCEPTIONS
          TOO_SMALL = 1
          OTHERS    = 2.
IF SY-SUBRC EQ 0.
WRITE:/ ZFNAME.
ELSE.
WRITE:/ 'ERROR REVERSING STRING'.
ENDIF.

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I have 3 strings variables.
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Hi,
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Do for remaining same Strings
DATA : name1 TYPE string,
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DATA : v_res(2) TYPE n,
       w_fdpos TYPE sy-fdpos,
       str TYPE i,
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        CLEAR w_fdpos.
        w_fdpos = sy-fdpos.
        w_fdpos = w_fdpos + 6.
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      w_fdpos = w_fdpos + 6.
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      SEARCH name11 FOR 'TURC 3'.
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        CLEAR w_fdpos.
        w_fdpos = sy-fdpos.
        w_fdpos = w_fdpos + 6.
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    IF sy-subrc = 0.
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      SEARCH name11 FOR 'TURC 4'.
      IF sy-subrc = 0.
        CLEAR w_fdpos.
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        w_fdpos = w_fdpos + 6.
        ch = name11+w_fdpos(1).
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      ENDIF.
    ENDIF.
ENDIF.
ENDIF.
Regards
Bala Krishna

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