Here is search logs of 650,000 AOL users. It's very interesting to view search history of particular person and analyze his personality. Let's do it together! Read more about AOL search database scandal or view research papers on web searching.
Regular-Expressions.info - Regex Tutorial, Examples and Reference - Regexp Patterns
Comprehensive resource with a focus on the regex features supported by RegexBuddy. Features tutorial, flavor comparison, books, tools written by the author.