In search of the perfect URL validation regex 11 years ago
Why would you ever use a regex to do this, apart from experimenting?
This would be much easier to do with a context free grammar or any decent parsing library.
HN user
Ov3rload
4 karma
Posts0
Comments2
No posts found.
P = NP [pdf] 13 years ago
There are many proofs, you can find some of them here:
http://www.win.tue.nl/~gwoegi/P-versus-NP.htm
Like all famous problems, P vs NP attracts a great number of people, mostly amateurs, that want to try to solve it. Most of those proofs are not peer reviewed, all of them are probably wrong.