diff --git a/src/intro.js b/src/intro.js
index dd4126a..822d65a 100644
--- a/src/intro.js
+++ b/src/intro.js
@@ -1,4 +1,3 @@
-
 var isMac = /Mac/.test(navigator.platform);
 
 var shortcuts = {
@@ -335,9 +334,9 @@ function _toggleLine(cm, name) {
 }
 
 
-/* The right word count in respect for CJK. */
+/* The right word count in respect for CJK, Arabic and Persian. */
 function wordCount(data) {
-  var pattern = /[a-zA-Z0-9_\u0392-\u03c9]+|[\u4E00-\u9FFF\u3400-\u4dbf\uf900-\ufaff\u3040-\u309f\uac00-\ud7af]+/g;
+  var pattern = /[a-zA-Z0-9_\u0392-\u03c9ـ\u0600-\u06FF]+|[\u4E00-\u9FFF\u3400-\u4dbf\uf900-\ufaff\u3040-\u309f\uac00-\ud7af]+/g;
   var m = data.match(pattern);
   var count = 0;
   for (var i = 0; i < m.length; i++) {