from the fat-lady-not-even-in-her-suit-yet dept.
dkd903 writes "Opera is one of the most solid browsers around. It is very fast, extremely customizable, and has a lot of functionality that others do not have. Opera is also a very strong supporter of Web standards; it was one of the first browsers to pass the ACID 3 test. However, Opera has always been confined to a relatively small user-base because of one critical thing — lack of extensions. Well, that is about to change — at least the extensions part. Today, it has been announced that Opera 11 will support extensions."
egrep patterns are full regular expressions; it uses a fast deterministic
algorithm that sometimes needs exponential space.
-- unix manuals