If you often need to develop a complex regular expression, or XPath queries, then you know how important it is to have a quick easy way to test the statement against various inputs. RegeXPath is a simple tool for this purpose. It simply allows you to test regular expressions quickly, showing you the matches found along with any captures. It also allows you to test XPath queries against input XML so that you can view the resulting nodes. Check out RegeXPath's features here.