japhy explains the connection better in Re: Re: Finally, a $& compromise!.

If I understand what he is doing correctly, he is only playing games with deciding whether or not to capture. If you capture, the decision of whether or not to capture $` and $' is separate.

I would like the pragma to be able to decide not just whether or not to capture, but whether or not to copy the whole string. $`/$' are already distinguished from $& in Perl, and separate control would be nice here.

UPDATE
As just discussed in chatter. Using $& is documented in perlre (as of 5.005 and later) as not being as bad as $` and $'. But in my simple test above, it produced the same slowdown. Which indicates a mistake in the documentation...

In reply to Re (tilly) 5: Finally, a $& compromise! by tilly
in thread Finally, a $& compromise! by japhy

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