javascript аналог preg_match_all

Javascript аналог preg_match_all

function preg_match_all(regex, haystack) {
   var globalRegex = new RegExp(regex, 'g');
   var globalMatch = haystack.match(globalRegex);
   matchArray = new Array();
   for (var i in globalMatch) {
 nonGlobalRegex = new RegExp(regex);
 nonGlobalMatch = globalMatch[i].match(nonGlobalRegex);
 matchArray.push(nonGlobalMatch[1]);
   }
   return matchArray;
}