Eric Gunnerson is starting a series of posts entitled “Regex 101” which, judging by the first installment, looks to be an excellent introduction to regular expressions in C#. Eric is a very smart dude who understands this stuff at a base level and also seems to know how to teach effectivley (so far). A rare combination, and highly recommended. Go, read, learn... but try not to proliferate, for there tends to be a High Bus Factor where regular expressions are concerned.