Great points! On the regex front, I highly recommend starting with reference sheets[1]. There are also a great many testers out there. The best way to figure

Great points! On the regex front, I highly recommend starting with reference sheets[1]. There are also a great many testers out there. The best way to figure it out is by just testing your regex patterns against various strings. You'll eventually start to understand how each item works. Don't get too frustrated with it! It can be tough to learn because of the syntax, but you'll get the hang of it once you practice. [1]: http://www.regular-expressions.info/reference.html http://www.regular-expressions.info/reference.html