Re: should we change [^a-z] to <-[a..z]> instead of <-[a-z]>?

----- Original Message ----- 
From: "Aaron Sherman" <ajs@ajs.com>
To: "David Wheeler" <david@kineticode.com>
Cc: "Perl6 Language List" <perl6-language@perl.org>
Sent: Friday, April 15, 2005 2:00 PM
Subject: Re: should we change [^a-z] to <-[a..z]> instead of <-[a-z]>?


> On Thu, 2005-04-14 at 21:32 -0700, David Wheeler wrote:
> > On Apr 14, 2005, at 7:06 PM, Patrick R. Michaud wrote:
> >
> > > So,     <[a.z]>  matches "a", ".", and "z",
> > > while   <[a..z]> matches characters "a" through "z" inclusive.
> >
> > I was going to say that that was inconsistent, but since you never need
> > to repeat a letter in a character class, well, I guess it isn't. But
> > the first person to write <[a...]> gets what's comin' to 'em.
>
> A silly question: is there a canonical character set from which we
> extract these ranges? Are we hard-coding Unicode here, or is there some
> way for the user to specify the character set for ranges?
>

<delurk>
even sillier question:
if <[a.z]> matches "a", "." and "z"
and <[a...]> matches all characters from "a" including (for some definition
of 'all')

how will be range \x21 .. \x2e written?
<[!..\.]>? (i.e. "." escaped?)
</delurk>

braňo

• should we change [^a-z] to <-[a..z]> instead of <-[a-z]>? by Larry Wall
• Re: should we change [^a-z] to <-[a..z]> instead of <-[a-z]>? by Paul Hodges
• Re: should we change [^a-z] to <-[a..z]> instead of <-[a-z]>? by Paul Hodges
• RE: should we change [^a-z] to <-[a..z]> instead of <-[a-z]>? by Joe Gottman
• Re: should we change [^a-z] to <-[a..z]> instead of <-[a-z]>? by Steven Philip Schubiger
• Re: should we change [^a-z] to <-[a..z]> instead of <-[a-z]>? by Patrick R. Michaud
• Re: should we change [^a-z] to <-[a..z]> instead of <-[a-z]>? by David Wheeler
• Re: should we change [^a-z] to <-[a..z]> instead of <-[a-z]>? by Rod Adams
• Re: should we change [^a-z] to <-[a..z]> instead of <-[a-z]>? by Larry Wall
• Re: should we change [^a-z] to <-[a..z]> instead of <-[a-z]>? by Juerd
• Re: should we change [^a-z] to <-[a..z]> instead of <-[a-z]>? by Aaron Sherman
• Re: should we change [^a-z] to <-[a..z]> instead of <-[a-z]>? by Rafael Garcia-Suarez
• Re: should we change [^a-z] to <-[a..z]> instead of <-[a-z]>? by Patrick R. Michaud
• Re: should we change [^a-z] to <-[a..z]> instead of <-[a-z]>? by Braňo Tichý
• Re: should we change [^a-z] to <-[a..z]> instead of <-[a-z]>? by Matthew Walton
• Re: should we change [^a-z] to <-[a..z]> instead of <-[a-z]>? by Darren Duncan