I guess https://grep.app (discussed here [0]) becomes even more useful now. Although not sure what exactly are they indexing.

And for anyone using Github to search in their own code -- Ripgrep works really well even if you run it against your whole code directory and gives you instantaneous results (if you usean SSD!). I'm describing my code search setup with ripgrep + emacs here [1]

[0] https://news.ycombinator.com/item?id=22396824

[1] https://beepb00p.xyz/pkm-search.html#code