do grep on item
var list = [];
var grep = {"fw":"(\d)\,--","ct":"$1,–"};
for(var i = 0; i < list.length;i++){
app.findGrepPreferences = NothingEnum.nothing;
app.changeGrepPreferences = NothingEnum.nothing;
list[i].findGrep = grep.fw;
list[i].changeGrep = grep.ct;
list[i].changeGrep;
app.findTextPreferences = NothingEnum.nothing;
app.changeTextPreferences = NothingEnum.nothing;
}