i = results.length;
Not tested but should / might work
Ok. a few seconds later, tested, does work.
Or if your addicted to for loops then you can keep it and do.
var results = app.activeDocument.findGrep(true);
Adding the true flag to reverse the results
You also posted on stackoverflow where you scored the answer as correct. Would be nice to warn users here and especially Trevor for the time taken trying to help you.
Drat I got caught for nicking the answer from stackoverflow
I'll forgive you if you mark the answer as correct, otherwise you can @$%% in &^$*!
haha thanks so much for your input
What would also help, would be posting the link to the thread at stackoverflow.