TMWTOTDI, this one getting more milage out of each rand call: 
{
    my $r = substr rand, 2;
    sub crand() {
        length $r or $r = substr rand, 2;
        chop $r;
    }
}

s[(.)]{$1 x (1+crand/3)}ge;

[download]

Makeshifts last the longest.

In reply to Re: Function over all letters in a string by Aristotle
in thread Function over all letters in a string by Jobby

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