Dave Storrs <[EMAIL PROTECTED]> writes:
> On 27 Sep 2000, Piers Cawley wrote:
>
> > > Do we *want* to maintain \1? Why have two notations to do the
> >
> > I'm kind of curious about what happens when you want to do, say:
> >
> > if (m/(\S+)/) {
> > $reg = qr{<(em|i|b)>($1)</\1>};
> > }
> >
> > where the $1 in the regex quote is refering to $1 from the previous
> > regex match.
>
> Well, how about this:
>
> $reg = qr{<(em|i|b)>(${P1})</\1>};
> NOTE: ^^^^^
>
> If you assume that $1 and ${1} are equivalent (which makes it
> possible to have as many backrefs as you want), then you could say that,
> if the first character after the { is a P, it means "in the previous regex
> match."
Oh good ghod. That is *vile*.
--
Piers
