At 10:28 AM 8/10/00 -0500, Jarkko Hietaniemi wrote:
>On Thu, Aug 10, 2000 at 05:21:44PM +0300, Jason Elbaum wrote:
> > As far as I know, there is a basic bit of regexp functionality which
> > Perl should support but doesn't.
> >
> > Perl regexps support the following features, though they're a bit
> > obscure to my tastes...
> >
> > (from perlre:)
> > \l lowercase next char (think vi)
> > \u uppercase next char (think vi)
> > \L lowercase till \E (think vi)
> > \U uppercase till \E (think vi)
> > \E end case modification (think vi)
> >
> > ...but Perl doesn't offer a regexp pattern to match all alphabetical
> > characters of a particular case. Something like:
> >
> > \x match lowercase alpha char
> > \X match uppercase alpha char
> >
> > Thus /\X\x*/ would match all capitalized words, while /\X+/ would match
> > acronyms, and /(\X\x+)+/ would match Java class names.
>
>Perl 5.6.0 has [[:lower:]] and [[:upper:]].
Yes, but this one is worth a digraph. Question is, which one? Currently
the free ones are:
\F \h \H \i \I \j \J \k \K \m \M \o \O \q \R \T \v \V \y \Y
\v \V are being debated on p5p currently.
I suggest \i \I, mnemonic with ?:i and /i. I know it's a strange
association once you think about it, but it made sense at first thought.
--
Peter Scott
Pacific Systems Design Technologies
