The "Find ..." dialog has "whole word", "Match case" and a "Regex" checkboxes.
The Regex checkbox is very powerful and allows Scintilla regular expressions to be used. When this is ticked you can search for a whole word by enclosing it in \< and \>. To search for stop as a single word, just enter \<stop\> as the search string. There are many other possible uses.
The only issue I have found, which I don't understand, is that selecting "Regex" disables the search direction.
The "Find in Project ..." dialog doesn't have the "Whole word" or "Regex" feature and both of these would be useful.
Perhaps "Find in Project ..." should honor the settings made in "Find ..." ? Would this be the easiest way to implement this ? Or possibly have checkboxes in the "Find in Project ..." dialog ?
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David