This code seems to do what you want 
my $foo = 'foofoofoo';
print map {s/foo/bar/g; $_} ($foo);

[download]
Update: No it doesn't, as $foo is still modified. I don't see a way.

-Mark

In reply to Re: Non-destructive string substitution by kvale
in thread Non-destructive string substitution by Sprad

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