by (.+)
by <a href="http://lesswrong.com/user/([^”]+)”><strong>([^<]+)</strong></a> would be better (you could also make your .+ non-greedy with .+?), but us (Trike) providing more classes and ids is better still. We’re looking into it.
by <a href="http://lesswrong.com/user/([^”]+)”><strong>([^<]+)</strong></a>
.+
.+?
class
id
by <a href="http://lesswrong.com/user/([^”]+)”><strong>([^<]+)</strong></a>would be better (you could also make your.+non-greedy with.+?), but us (Trike) providing moreclasses andids is better still. We’re looking into it.