It works fine. I don't know if there's a way to get only comments, but if you scroll down to the link to /r/madlads it's clearly indexing them. "site:reddit.co

It works fine. I don't know if there's a way to get only comments, but if you scroll down to the link to /r/madlads it's clearly indexing them. "site:reddit.com don't quote me" I use this all the time to search specific subreddits for phrases in comments I remember, but I don't want to give examples or subreddits I visit.