Use the from: syntax in twitter search bar to filter tweet search by account - currently this only "tokenizes" the from:
keyword and the selected user's screen name.
Has some minor bugs to workout.
Copy-paste the index.js into the browser console when on twitter.com/explore.
type from:
into the search bar, followed by a screen name (@xyz) or a user's name. Select user from dropdown, and both from:
and user
will be tokenized.