moved some functionalities into factory

js/bin.js

@@ -341,15 +341,7 @@ var priv = {};
 
 
 
-  /**
-  * Filter a string for a class name
-  * @method filterForClass
-  * @param  {string} class The string to filter
-  * @return {object} regex
-  */
-  priv.filterForClass = function (className) {
-    return new RegExp("(?:^|\\s)" + className + "(?!\\S)", "g");
-  };
+
 
   /**
   * Replace substrings to another strings