Added "The Bastards Book of Regular Expressions: Finding Patterns in Everyday Text"

free-programming-books.md

@@ -285,7 +285,7 @@
 
 ####Regular Expressions
 * [Learn Regex The Hard Way](http://regex.learncodethehardway.org/book/) - Zed. A. Shaw
-
+* [The Bastards Book of Regular Expressions: Finding Patterns in Everyday Text](https://leanpub.com/bastards-regexes) - Dan Nguyen
 
 ####Software Architecture
 * [Seamless Object-Oriented Software Architecture](http://www.bon-method.com/book_print_a4.pdf) (PDF)