rem: regEx = new RegExp("\\b" + arguments[i] + "\\b"); 
add: regEx = new RegExp("(^|\\s)" + arguments[i] + "(\\s|$)"); 
context:     has_any: function(element) {      element = $(element);      if(!element || !element.className) return false;      var regEx;      for(var i = 1; i < arguments.length; i++) {        if((typeof arguments[i] == 'object') &&           (arguments[i].constructor == Array)) {          for(var j = 0; j < arguments[i].length; j++) {            regEx = new RegExp("\\b" + arguments[i][j] + "\\b");            if(regEx.test(element.className)) return true;          }        } else {          regEx = new RegExp("\\b" + arguments[i] + "\\b");          if(regEx.test(element.className)) return true;        }      }      return false;    },
meta: 4973	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/4973/17ee2eeb94a69d5ca031c4cd390f21ae53afa009/util.js/buggy/src/util.js