uva, Try the below code,

use strict;
use warnings;

$_="thhheeee good boyy";

s/((\w)\2{1,})/\($1\)/gsi;
print $_;
__END__
t(hhh)(eeee) g(oo)d bo(yy)

[download]

Regards,
Velusamy R.

eval"print uc\"\\c$_\""for split'','j)@,/6%@0%2,`e@3!-9v2)/@|6%,53!-9@2~j';

In reply to Re^4: doubt in matching by Samy_rio
in thread doubt in matching by uva

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