Oracle 21c

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Create table example (
  str NVARCHAR2(32)
) 
Insert into
  example
SELECT N'طًيAa1@#$' FROM dual
UNION ALL
SELECT N'طًيAa1'    FROM dual
2 rows affected

Select * from example


STR


طًيAa1@#$

طًيAa1


select
  *
from
  example
where
  regexp_like(
    str,
    UNISTR('[^\0600-\06FF\0750-\077F\0870-\089F\08A0-\08FF\FB50-\FDFF\FE70-\FEFF\0030-\0039\0041-\005A\0061-\007A]')
  );


STR


طًيAa1@#$