diff --git a/AUTHORS.txt b/AUTHORS.txt
index 74a1b912b..b2d21df46 100644
--- a/AUTHORS.txt
+++ b/AUTHORS.txt
@@ -172,3 +172,4 @@ Terry Jones <terry@jon.es>
 Jeremy Dunck <jdunck@gmail.com>
 Chris Price <price.c@gmail.com>
 Amey Sakhadeo <me@ameyms.com>
+Noah Hamann <njhamann@gmail.com>
diff --git a/src/ajax.js b/src/ajax.js
index 174e8274d..1b01fd6a5 100644
--- a/src/ajax.js
+++ b/src/ajax.js
@@ -21,7 +21,7 @@ var
 	rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
 	rnoContent = /^(?:GET|HEAD)$/,
 	rprotocol = /^\/\//,
-	rurl = /^([\w.+-]+:)(?:\/\/([^\/?#:]*)(?::(\d+)|)|)/,
+	rurl = /^([\w.+-]+:)(?:\/\/(?:[^\/?#]*@|)([^\/?#:]*)(?::(\d+)|)|)/,
 
 	/* Prefilters
 	 * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)