diff --git a/src/js/plugins.js b/src/js/plugins.js
index e7421f8..106fedc 100644
--- a/src/js/plugins.js
+++ b/src/js/plugins.js
@@ -24,7 +24,7 @@ var Plugin = function(name, contentForMessage) {
 
 
 // Regular expression that detects URLs for UrlPlugin
-var urlRegexp = /(?:(?:https?|ftp):\/\/|www\.|ftp\.)\S*[^\s.;,(){}<>]/g;
+var urlRegexp = /(?:(?:https?|ftp):\/\/|www\.|ftp\.)\S*[^\s.;,(){}<>[\]]/g;
 /*
  * Definition of a user provided plugin that consumes URLs
  *