Tim O'Reilly (@timoreilly) tweeted at 11:29 AM on Tue, Jul 23, 2013: RT @OReillyMedia #Ebook Deal/Day: Introducing Regular Expressions by M. Fitzgerald @mjf2009 - Save 50% w/code DEAL http://t.co/7tb9QL8PQk (https://twitter.com/timoreilly/status/359696826783367171)
Get the official Twitter app at https://twitter.com/download