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Re: [Chicken-users] Neophyte in scheme: string-split not quite what I wa

From: Alex Shinn
Subject: Re: [Chicken-users] Neophyte in scheme: string-split not quite what I want
Date: Sat, 21 Jul 2012 10:41:51 +0900

On Sat, Jul 21, 2012 at 3:19 AM, Charles Hixson
<address@hidden> wrote:
> On 07/20/2012 04:05 AM, Дмитрий wrote:
>> Hello.
>> Does IrRegex support Unicode character classes? E.g. Will IrRegex consider
>> accented letters (á) or Cyrillic letters (я) as "alpha"? Wil IrRegex
>> consider Chinese wide space ( ) as "space"? Will IrRegex consider Chinese
>> brackets (「」【】) as "punct"? If it doesn't, the regexp is going to be
>> EXTREMELY messy [in fact, I believe it may better to build such a regexp
>> automatically then].
>> I’m on Windows, so I can’t check it (when I use UTF-8 console via chcp
>> 65001, for some reason Chicken seems to fail on every string with operation
>> non-ascii string — even on a simple (display "Привет")).
>>   --
>> Yours sincerely,
>> Dmitry Kushnariov
> As I said, I'm a neophyte.  My "character classes" were based around
> [a-zA-z]  etc.  So you can readily see why the pattern would have quickly
> become unreasonably complex.  I didn't find any definition of other
> character classes (well, not one that meant anything) and given the
> discussion, I think that they wouldn't have worked if I'd gotten to the
> point of testing them.
> I was planning on using Chicken to learn scheme, since R7SR is supposed to
> be based more on R5SR than on R6SR, but maybe it's better to learn using
> Racket.  I *trust* the conversion won't be too difficult.  (I *do* need to
> use utf-8 in lots of places, and an incomplete implementation while I was
> learning would be ... unpleasant.  Particularly if the user documentation
> presumed that it *was* complete.)

The utf8 implementation is not incomplete.  It's just
not the default.


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