Regular Expressions Margin

A margin which exposes .Net Regular Expressions search and replace capabilities on a given code window. Toggle the margin by Alt+r. Navigate to next search by Alt+n.  Navigate to previous earch by Alt+p.  Escape key hides the margin and set focus back to the code window.  Even if the margin is hidden, as long as there is search in the Find What textbox, it will continually do a search on text updates.  To disable the search, clear out the contents of the Find What textbox.

Other shortcuts:
When focus is in the Find What textbox, up arrow will navigate to previous search, down arrow and enter will both navigate to the next search.  When focus is in the Replace With textbox, enter will execute a replace.