Copying here my answer at: http://social.msdn.microsoft.com/Forums/en-US/wpf/thread/11a42336-8d87-4656-91a3-275413d3cc19 What seems to work for me is the following (copying from the source code of http://ClipFlair.codeplex.com [currently under development]) note I’m using Build Action = "Page" and Custom ...

To sum up the discussion at http://stackoverflow.com/questions/1360113/is-java-regex-thread-safe/, you can reuse (keep in static variables) the compiled Pattern(s) and tell them to give you new Matchers when needed to validate those regex pattens against some string: import java.util.regex.Matcher; import java.util.regex.Pattern;  /** * ...

I came across a useful Microsoft Support sample called “How to wait for a shelled application to finish by using Visual Basic 2005 or Visual Basic .NET” at http://support.microsoft.com/kb/305368 However, note that there are several gotchas with the code supplied there (just informed Microsoft on that, hope they take notice). Also the article ...