A simple regular expression makes it easy:

use strict;
use warnings;

my $str = "Foooboooobaaar";

$str =~ s/(.)\1+/$1*/g;
print "\n$str";

[download]

Prints:


Fo*bo*ba*r

[download]
True laziness is hard work

In reply to Re: Replace repeated characters with * by GrandFather
in thread Replace repeated characters with * by Anonymous Monk

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