Character checking for arabic

Hi
I have an issue with one function which used to work perfectly when the characterset of the database was al32utf8 ,
Now we have changed the characterset to ar8mswin1256 , due to use of arabic language in the application.
Below is the function
CREATE OR REPLACE FUNCTION fn_get_string_lang(pv_string VARCHAR2)
RETURN VARCHAR2 AS
v_str_type VARCHAR2(2):='E';
BEGIN
FOR i IN 1..length(pv_string)
    LOOP
      IF (ascii(SUBSTR(pv_string,i,1)) > 256) THEN
        v_str_type := 'A';
        EXIT;
      END IF;
    END LOOP;
    RETURN v_str_type;
EXCEPTION
WHEN OTHERS THEN
    insert_error(-123, SQLERRM, NULL, NULL, 'fn_get_string_lang');
    RETURN 'E';
END fn_get_string_lang;In the above function we check if the characters entered are in arabic.... this used to work in al32utf8 , but nit now.
Please Help.

Nitin Chauhan wrote:
Hi
I have an issue with one function which used to work perfectly when the characterset of the database was al32utf8 ,
Now we have changed the characterset to ar8mswin1256 , due to use of arabic language in the application.I guess that you didnt migrate the data but rather set up a new database with ar8mswin1256.
I would be more helpful if you had post the erroneous result, but i guess again that always E is returned.
So what will you expected from the ollowing condition if working on a single byte characterset?
IF (ascii(SUBSTR(pv_string,i,1)) > 256) THENregards

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