The Regex Coach - Tutorial step 1

When you start The Regex Coach the upper pane, the regex pane, is active. Press the TAB key (or use the mouse) to make the second pane, the target pane, active.

Now type axcayycabaxxb into the target pane. This is the string we want to match against.

Screen Shot

Note that the target message area below the target pane says "Match from 0 to 0" - this is because we haven't typed anything into the regex pane yet and the regular expression is thus the empty string which of course matches the empty string in front of the first a in axcayycabaxxb.