diff --git a/free-programming-books-pt_BR.md b/free-programming-books-pt_BR.md
index 2c999ec3e65bdf559f860d09098062f6fc78c97c..c81310419d98282d704e2b96656115280636f5f0 100644
--- a/free-programming-books-pt_BR.md
+++ b/free-programming-books-pt_BR.md
@@ -11,6 +11,7 @@
 * [PHP](#php)
 * [LaTeX](#latex)
 * [Python](#python)
+* [RegEx](#regex)
 * [Ruby](#ruby)
 * [Shell Script](#shell)
 * [Lua](#lua)
@@ -75,6 +76,10 @@
 * [O tutorial de Python](http://turing.com.br/pydoc/2.7/tutorial/)
 
 
+### RegEx
+* [Expressões Regulares - Guia de Consulta Rápida](http://aurelio.net/regex/guia/)
+
+
 ### Ruby
 * [Aprenda a Programar](http://aprendaaprogramar.rubyonrails.com.br)
 * [O (comovente) guia de Ruby do Why](http://why.carlosbrando.com/)