Re: help with Regexps

[Anselm Helbig <anselm.helbig+news2009@googlemail.com>]

Hi!

> I have a file that has these three types of entries (they all appear in
> the beginning of the line).
> 
> 1. %\card{\word{Mutter}}{mom, mommy, mother, nut}
> 2. \card{\atl{die} \word{Erkenntnis}}{cognition, cognizance, perception}
> 3. \card{\word{Jünglinge}}{teens, younglings}
> 
> And I want to be able to use (search-forward-regexp ???) within a
> function to find only 3. (and not 1. and 2).
> 
> When I try: (search-forward-regexp "^\\card{\\word{[A-Z]"), emacs
> complains: Search failed: "^\\card{\\word{[A-Z]" (in fact, even
> (search-forward-regexp "^\\card") fails to find anything).  What am I
> making wrong?

You have to quote the backslashes twice, the first time for the lisp
string and then for the regex:

  (search-forward-regexp "^\\\\card{\\\\word{[A-Z]")

Ugly, but consistent. 

HTH, 

Anselm


-- 
Anselm Helbig 
mailto:anselm.helbig+news2009@googlemail.com