tassilo.parseval@post.rwth-aachen.de (via RT) wrote:
> According to my knowledge, @- and @+ should be dynamically scoped so it's
> obvious that they still have their values in Tie::Prematch::FETCH() when doing 
> 
>     $foo =~ s/.ob/tied(%pre)->FETCH($foo)/e;
> 
> But they somehow loose them when doing
> 
>     $foo =~ s/.ob/$pre{ $foo }/;
> 
> even though it should be functionally identical.

No, the /e creates a scope. Add a /e to your 2nd example and it becomes
equivalent to the 1st one (apparently).