GREP Find and do pattern

findAndDo.jsx

app.findGrepPreferences = NothingEnum.NOTHING;
app.changeGrepPreferences = NothingEnum.NOTHING;
if (app.findChangeGrepOptions.hasOwnProperty ("searchBackwards")) {
	app.findChangeGrepOptions.searchBackwards = false;
}

app.findGrepPreferences.findWhat = "";
var findResults = dok.findGrep();
for (var fr = findResults.length-1; fr >= 0; fr--) {
     var findTextObject = findResults[fr];
}