This Regular Expression is used to validate a path element (Actor Name).
This Regular Expression is used to validate a path element (Actor Name). Since Actors form a tree, it is addressable using an URL, therefor an Actor Name has to conform to: http://www.ietf.org/rfc/rfc2396.txt
Parse string as actor path; throws java.
Parse string as actor path; throws java.net.MalformedURLException if unable to do so.