diff --git a/app/assets/javascripts/discourse/components/bbcode.js b/app/assets/javascripts/discourse/components/bbcode.js
index 91f3d3261..e53d3483a 100644
--- a/app/assets/javascripts/discourse/components/bbcode.js
+++ b/app/assets/javascripts/discourse/components/bbcode.js
@@ -9,7 +9,7 @@
 **/
 Discourse.BBCode = {
 
-  QUOTE_REGEXP: /\[quote=([^\]]*)\]((?:[^](?!\[quote=[^\]]*\]))*?)\[\/quote\]/im,
+  QUOTE_REGEXP: /\[quote=([^\]]*)\]((?:[\s\S](?!\[quote=[^\]]*\]))*?)\[\/quote\]/im,
 
   // Define our replacers
   replacers: {