Professor Brailsford takes the theory of RegEx and puts it into practice. EXTRA BITS: https://youtu.be/4uMS2ZPsoVw https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: https://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran's Numberphile. More at http://www.bradyharan.com