When passing a regex parameter to the web.page.regex item, I am not getting the return value expected. What are the supported characters? When using .*\n for example, it returns Cache-Con for the value below. Square brackets '' don't seem to be supported either. This is very frustrating.
HTTP/1.1 200 OK
Content-Type: text/html; charset=utf-8
Date: Fri, 18 May 2012 13:43:20 GMT