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Re: Unquoted special characters in regexps
From: |
Luc Teirlinck |
Subject: |
Re: Unquoted special characters in regexps |
Date: |
Tue, 28 Feb 2006 16:57:52 -0600 (CST) |
Martin Rudalics wrote:
It would be strange to say, for example, that the double-quote
opening an Elisp string is outside the context of the string and
the double-quote that closes it inside.
I do not see why you consider this strange. Quite to the contrary,
this is exactly what allows one to determine whether a `"' opens or
closes a string. `"" is special both inside and outside the context
of a string. But its special meaning depends on that context.
Outside the context of a string `"' starts a string, inside the
context of a string, `"' ends a string. So an opening `"' is opening
_because_ it occurs outside of a string context and the closing `"' is
the closing one _because_ it occurs inside a string context.
Note that the GNU regexp manual, node `(regex)List Operators' agrees
with Andreas and me that `[' is special _outside_ a character alternative
(by stating that it is ordinary inside one) and explicitly states that
`]' has the special meaning of closing a character alternative
_inside_ a character alternative. (Note that it refers to character
alternatives as "lists".)
Sincerely,
Luc.
- Re: Unquoted special characters in regexps, (continued)
- Re: Unquoted special characters in regexps, Richard Stallman, 2006/03/05
- Re: Unquoted special characters in regexps, Richard Stallman, 2006/03/04
- Re: Unquoted special characters in regexps, martin rudalics, 2006/03/04
- Re: Unquoted special characters in regexps, Luc Teirlinck, 2006/03/03
- Re: Unquoted special characters in regexps, martin rudalics, 2006/03/04
- Re: Unquoted special characters in regexps, Luc Teirlinck, 2006/03/04
- Re: Unquoted special characters in regexps, Luc Teirlinck, 2006/03/04
- Re: Unquoted special characters in regexps, Richard Stallman, 2006/03/05
- Re: Unquoted special characters in regexps, Luc Teirlinck, 2006/03/04
- Re: Unquoted special characters in regexps, martin rudalics, 2006/03/04
- Re: Unquoted special characters in regexps,
Luc Teirlinck <=
- Re: Unquoted special characters in regexps, martin rudalics, 2006/03/01
- Re: Unquoted special characters in regexps, Andreas Schwab, 2006/03/02
- Re: Unquoted special characters in regexps, martin rudalics, 2006/03/01
- Re: Unquoted special characters in regexps, Andreas Schwab, 2006/03/02
- Re: Unquoted special characters in regexps, martin rudalics, 2006/03/02
- Re: Unquoted special characters in regexps, Andreas Schwab, 2006/03/01
- Re: Unquoted special characters in regexps, Richard Stallman, 2006/03/02
- Re: Unquoted special characters in regexps, martin rudalics, 2006/03/04
- Re: Unquoted special characters in regexps, Luc Teirlinck, 2006/03/02
- Re: Unquoted special characters in regexps, Richard Stallman, 2006/03/06