Re: What's wrong with this regexp?

[Martin Monsorno <monsorno@gmx.de>]

Karl Kleinpaste <karl@charcoal.com> writes:

> Frank Schmitt <usereplyto@Frank-Schmitt.net> writes:
> > Don't we use the regexp scheme documented under 
>> (x)emacs->Searching and Replacement->Regexp search?
>
> Yes, but it's a matter of the lisp reader's context: You have to
> double most occurrences of `\' in order to get them into a lisp
> expression.  What you type in the minibuffer as "\(a\|b\)" must become
> "\\(a\\|b\\)" when used in a string expression in elisp.
>

I had the same problem a few days ago, and finally found the solution
by searching through some of the "other peoples .gnus-files" on the
net. I suppose, just one little example with "\\(To\\|cc\\)" in the
info file about mail-splitting would help very much.

> BTW, nnmail-split-methods usage is case-insensitive unless you
>explicitly turn off case-fold-search in nnmail-split-hook.
>

This would also be nice to be in that info page.

-- 
Martin Monsorno
mailto:monsorno@gmx.de