* About regexp
@ 2012-11-25 8:50 xfq
2012-11-25 15:41 ` Drew Adams
0 siblings, 1 reply; 3+ messages in thread
From: xfq @ 2012-11-25 8:50 UTC (permalink / raw
To: help-gnu-emacs
I have a questions about regexp.
The default value of the variable `sentence-end-base' is:
[.?!][]\"'”)}]*
There is a backslash in the second part of the regexp, why?
^ permalink raw reply [flat|nested] 3+ messages in thread
* RE: About regexp
2012-11-25 8:50 About regexp xfq
@ 2012-11-25 15:41 ` Drew Adams
2012-11-26 7:50 ` xfq
0 siblings, 1 reply; 3+ messages in thread
From: Drew Adams @ 2012-11-25 15:41 UTC (permalink / raw
To: 'xfq', help-gnu-emacs
> The default value of the variable `sentence-end-base' is:
> [.?!][]\"'")}]*
> There is a backslash in the second part of the regexp, why?
C-h v sentence-end-base tells you:
sentence-end-base is a variable defined in `paragraphs.el'.
Its value is "[.?!][]\"'")}]*"
IOW, the value is a string. The double-quote chars shown surrounding the string
are not characters in the string. The double-quote char shown just before the
single-quote char, ', is in the string. When printed, that char is escaped with
a backslash. The char in the string following the ' char is a different char (a
curly quote) - it is not used to indicate the string limits, so it need not be
escaped to distinguish it.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: About regexp
2012-11-25 15:41 ` Drew Adams
@ 2012-11-26 7:50 ` xfq
0 siblings, 0 replies; 3+ messages in thread
From: xfq @ 2012-11-26 7:50 UTC (permalink / raw
To: Drew Adams; +Cc: help-gnu-emacs
On 11/25/2012 11:41 PM, Drew Adams wrote:
>> The default value of the variable `sentence-end-base' is:
>> [.?!][]\"'")}]*
>> There is a backslash in the second part of the regexp, why?
>
> C-h v sentence-end-base tells you:
>
> sentence-end-base is a variable defined in `paragraphs.el'.
> Its value is "[.?!][]\"'")}]*"
>
> IOW, the value is a string. The double-quote chars shown surrounding the string
> are not characters in the string. The double-quote char shown just before the
> single-quote char, ', is in the string. When printed, that char is escaped with
> a backslash. The char in the string following the ' char is a different char (a
> curly quote) - it is not used to indicate the string limits, so it need not be
> escaped to distinguish it.
>
Thx. BTW, I like your bookark+/ediff+/Icicles/lacarte very much.
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