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From: Todd Neal <tolchz@tolchz.net>
To: emacs-orgmode@gnu.org
Subject: Re: Question aboug Regexp
Date: Tue, 23 May 2006 00:10:40 -0400	[thread overview]
Message-ID: <87irnx4bzz.fsf@tolchz.net> (raw)
In-Reply-To: 7f55ba6da92bc0c958dea27173f9e47b@science.uva.nl

Carsten Dominik <dominik@science.uva.nl> writes:

> On May 23, 2006, at 5:02, Todd Neal wrote:
>
>>
>>
>> I am looking at why the following link does not work:
>>
>> [[elisp: (+ 1 2 3)]]
>>
>> I think that the problem lies with this regexp:
>>
>>      1	(defconst org-link-re-with-space2
>
>
> The regexp org-link-re-with-space2 requires that the first character
> after elisp: is not a space character.  This was originally to make
> sure that the following would not be matched as a link:
>
> I can explain you a feature in elisp: Parenthesis are everything.
>
> This is not documented properly, thanks for reporting this.
>
> In a regexp character class, the first character of a class is special
> and can be used to include character into he class which are otherwise
> difficult to get into a class, for example the minus "-" or a square
> bracket.  Since a character class [] or [^] is meaningless, this is a
> special case so that []] matches the closing bracket and [^]]
> everything besides the closing bracket.
>
> - Carsten

Thanks, I should have checked the info a bit more carefully.

Todd

     prev parent reply	other threads:[~2006-05-23  4:09 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-05-23  3:02 Question aboug Regexp Todd Neal
2006-05-23  3:58 ` Carsten Dominik
2006-05-23  4:10   ` Todd Neal [this message]

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