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Re: will we ever have zero width assertions in regexps?
From: |
Stefan Monnier |
Subject: |
Re: will we ever have zero width assertions in regexps? |
Date: |
Wed, 26 Jan 2011 21:21:18 -0500 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) |
> Indeed. I'm using Emacs 23.2.1, so I don't know whether this is already in
> the latest CVS version. But assuming it's not, is this feature on the radar
> of the developers?
No. There hasn't been much demand/interest for it, tho IIRC someone
posted a patch to implement it at some point in the past.
I think there'd be more interest in extending regexps to PEG in a way
similar to Lua's Lpeg. I myself would also be more interested in
replacing the backtracking matcher with a non-backtracking one (for the
cases where backtracking is not required by backrefs).
Stefan
- will we ever have zero width assertions in regexps?, Le Wang, 2011/01/26
- Re: will we ever have zero width assertions in regexps?, Stefan Monnier, 2011/01/26
- Re: will we ever have zero width assertions in regexps?, Le Wang, 2011/01/26
- Message not available
- Re: will we ever have zero width assertions in regexps?,
Stefan Monnier <=
- Re: will we ever have zero width assertions in regexps?, Ilya Zakharevich, 2011/01/27
- Re: will we ever have zero width assertions in regexps?, Stefan Monnier, 2011/01/27
- Re: will we ever have zero width assertions in regexps?, Ilya Zakharevich, 2011/01/28
- Re: will we ever have zero width assertions in regexps?, Stefan Monnier, 2011/01/28
- Re: will we ever have zero width assertions in regexps?, Ilya Zakharevich, 2011/01/29
- Re: will we ever have zero width assertions in regexps?, Stefan Monnier, 2011/01/31
- Re: will we ever have zero width assertions in regexps?, Ilya Zakharevich, 2011/01/31
- Re: will we ever have zero width assertions in regexps?, Stefan Monnier, 2011/01/31