Combine regex with reverse. 
use strict;
use warnings;
my $string = '21eman 21_eman';
print scalar reverse($string =~ s/(\d+)/reverse $1/egr);

[download]
OUTPUT: 
name_21 name21

[download]
Bill

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

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