ericlee4

More recently a Sony Vaio Pro according to this interview.

http://www.businessinsider.com/linus-torvalds-qa-2014-6

I agree, and in fact the author - Dan Baum - made the same point in an interview on NPR a few days ago.

http://www.wnyc.org/story/legalization-best-way-win-war-drug...

You fill the characters that would be matched by the regular expression given. So the character has to match both the row/column expressions at the position where they intersect.