What’s a search operator? It’s simply a character or combination of characters used to search more precisely online. In the example above, “-“ is a search operator that tells Twitter not to include Tweets that include “http.”
How to do it:
There are a number of useful search operators. For example, since:[yyyy-mm-dd] will allow you to search Tweets sent after a specific date. So, typing Twitter hacks and tricks since:2016-10-01 in the search bar will only deliver Tweets containing “Twitter hacks and tricks” that were sent after October 1, 2016.
You can use search operators in combination. Check out Twitter’s full list by clicking operators on the Twitter search page.