diff --git a/src/base/single/editor/editor.code.js b/src/base/single/editor/editor.code.js
index 4242fd1ed1..c7b9246d9b 100644
--- a/src/base/single/editor/editor.code.js
+++ b/src/base/single/editor/editor.code.js
@@ -159,7 +159,7 @@ BI.CodeEditor = BI.inherit(BI.Single, {
     },
 
     _analyzeContent: function (v) {
-        var regx = /\$[\{][^\}]*[\}]|(\s+)|\w*\w|\$\{[^\$\(\)\+\-\*\/)\$,]*\w\}|\$\{[^\$\(\)\+\-\*\/]*\w\}|\$\{[^\$\(\)\+\-\*\/]*[\u4e00-\u9fa5]\}|\w|(.)|\n/g;
+        var regx = /\$[\{][^\}]*[\}]|[^\$\{]*[^\$\{]|\$[^\{]*[^\$\{]/g;
         return v.match(regx);
     },