or use sprintf. Search for "format parameter index" if you need to rearrange or repeat the ordering of the matches in the output. 

sub foo {
    my ($from, $to) = @_;
    return sprintf($to, ($from =~ /.../));
}

[download]

--MidLifeXis

In reply to Re: Interpolate $1 in: s{...}{$to} by MidLifeXis
in thread Interpolate $1 in: s{...}{$to} by perl5ever

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