Well, it's hard to tell what to do without knowing any Arabic. Try this: 
use utf8;
use open qw(:encode(utf-8) :std);
...
$arabic_string =~ s/(\p{L}+)/reverse $1/eg;

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You should've posted some examples. Then again, Perlmonks likes to mangle non-ASCII symbols.

In reply to Re: Reversing Arabic String direction by Anonymous Monk
in thread Reversing Arabic String direction by wael_ahmed

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