See perlop on the /e switch for regular expressions. perlretut also covers it.

my %replace = (
    apples => 'yummy',
    oranges => 'yummier',
    bananas => 'yummiest',
);

$string =~ s!(apples|oranges|bananas)!$replace{$1} || $1!e;

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In reply to Re: multiple substitution by Corion
in thread multiple substitution by naturalsciences

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