rem: regEx = new RegExp("^" + arguments[i] + "\\b\\s*|\\s*\\b" + arguments[i] + "\\b", 'g'); 
add: regEx = new RegExp("(^|\\s)" + arguments[i] + "(\\s|$)", 'g'); 
context:     remove: function(element) {      element = $(element);      var regEx;      for(var i = 1; i < arguments.length; i++) {        regEx = new RegExp("^" + arguments[i] + "\\b\\s*|\\s*\\b" + arguments[i] + "\\b", 'g');        element.className = element.className.replace(regEx, '')      }    },
meta: 4973	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/4973/17ee2eeb94a69d5ca031c4cd390f21ae53afa009/util.js/buggy/src/util.js