Graham Barr <[EMAIL PROTECTED]> writes:
> On Fri, Aug 11, 2000 at 01:47:12PM +0100, Piers Cawley wrote:
> > > /^_/
> > >
> > > What is that matching ?
> >
> > We've done this. It's matching a string that begins with '_'. Which is
> > why, if you want to disambiguate you do /^{_}/ just like you do with
> > variables.
>
> No that won't work either. That matches the string {_}
No, \{_\} matches the string {_}. Damn, it doesn't. How annoying.
Well, it *should* be that way, and it shouldn't be too hard to make it
that way. He said hopefully...
> It is the fact that ^ is the first char of the re that causes to to be interpreted
> as a re special char.
>
> > > So I would suggest something like one of : _
> >
> > Not sure about :, but how you do distinguish between _foo =>
> > placeholder and _foo => &_foo?
>
> Ah yes _ is out
And : is being mooted for all sorts of other stuff elsewhere. My
current thinking is that ^_ is the best of a not desperately good load
of options.
--
Piers
