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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: ada is getting spanked :(
Date: Tue, 31 Oct 2006 12:32:19 +0100
Date: 2006-10-31T12:32:19+01:00	[thread overview]
Message-ID: <1itn8qttbs3xw$.17udephvl95ro.dlg@40tude.net> (raw)
In-Reply-To: 47b1h.21208$E02.8795@newsb.telia.net

On Sun, 29 Oct 2006 23:50:24 GMT, Bj�rn Persson wrote:

> Georg Bauhaus wrote:

>> How could a notion of REs be both precise and precisely
>> applicable to the ways in which various PLs implement them?
>>  E.g. how can you turn off Boyer-Moore string searching when
>> one implementation has it, just so that only some specified
>> internal way of pattern matching is compared?
> 
> I wasn't talking of internal implementations. As I understand it, 
> "regex" is a name of a family of similar notations for expressing 
> patterns. If you don't write "[ABC]*" for "any number of A's, B's and 
> C's in any order", then it isn't regex.

Actually RE is not a notation, it is a formal language. SNOBOL patterns
represent a different wider class of languages. For example SNOBOL can
matching balanced strings like (a(b))(c). Technically, a highly optimized
implementation of RE should beat SNOBOL.

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de



  reply	other threads:[~2006-10-31 11:32 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-10-28 16:29 ada is getting spanked :( cl1
2006-10-28 17:45 ` Martin Krischik
2006-10-28 20:02   ` Georg Bauhaus
2006-10-29  1:34   ` Georg Bauhaus
2006-10-29  2:13     ` Jeffrey R. Carter
2006-10-29  4:48       ` Isaac Gouy
2006-10-30  1:01         ` Isaac Gouy
2006-10-29  2:26     ` Jeffrey R. Carter
2006-10-29  2:30       ` Jeffrey R. Carter
2006-10-29  2:33         ` Jeffrey R. Carter
2006-10-29 17:19           ` Jeffrey R. Carter
2006-10-29 17:25           ` Jeffrey R. Carter
2006-10-29  8:54     ` Martin Krischik
2006-10-29 13:01       ` Georg Bauhaus
2006-10-30  0:46         ` Isaac Gouy
2006-10-29 16:27     ` Björn Persson
2006-10-29 20:23       ` Georg Bauhaus
2006-10-29 23:50         ` Björn Persson
2006-10-31 11:32           ` Dmitry A. Kazakov [this message]
2006-10-31 13:12             ` Georg Bauhaus
2006-10-31 14:14               ` Dmitry A. Kazakov
2006-10-31 18:01       ` Martin Krischik
2006-10-29  4:58   ` Isaac Gouy
2006-10-29  8:46     ` Martin Krischik
2006-10-30  0:17       ` Isaac Gouy
2006-10-30 18:26   ` jtg
2006-10-30 21:50     ` george
2006-10-31  4:57     ` Jeffrey R. Carter
2006-10-31  6:28     ` Gautier
2006-10-31  6:47     ` Martin Krischik
2006-11-02 18:21       ` Jeffrey R. Carter
2006-11-02 19:37         ` Gautier
2006-11-03  5:11           ` Jeffrey R. Carter
2006-11-03 12:06         ` Martin Krischik
2006-11-03 19:59           ` Jeffrey R. Carter
2006-11-12 22:26   ` Shootout / pidigits [Re: ada is getting spanked :(] Gautier
2006-10-28 22:45 ` ada is getting spanked :( Larry Kilgallen
2006-10-29 16:22 ` Leif Holmgren
2006-10-29 17:28   ` Simon Wright
2006-10-29 19:21   ` jtg
2006-10-29 21:33     ` Leif Holmgren
2006-10-31 11:04       ` Harald Korneliussen
2006-11-01 11:28         ` jtg
2006-11-01 14:31           ` Harald Korneliussen
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