Does anyone have a working filter for Google Analytics that extracts queries from search referrers that are not recognized as search engines? Some of these sites listed in my Referring Sites reports include Dogpile, Cuil and major ISPs that provide a Google-powered search engine. I'm not too familiar with regular expressions and the way advanced filters are set up, and the filters I found on the web didn't work for me, so I was hoping someone would be willing to share his or hers.
EDIT: Dogpile, like Webcrawler, seems to have a particularly difficult URL structure for its search results pages. I'm really only looking to extract queries from URLs that include parameters like