I really like the idea as well the implementation. I also would agree with the wishes mentioned in the help file (non-modal dialog & global undo) Maybe a stupid idea concerning the hack with the selected text: could you possibly try to change the selection (something like Shift + Left; Shift + Right) while comparing the changed extent of the selected text? And one more wish (which is probably quite naive one - as I have no experience with VB scripting), could possibly the regular expressions be implemented in the future?
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