13.1.4 lastindex属性.html

javascript即用即差核心对象手册

<script>
   var ostr="abcDdefCDDE";
   var re=/cd+e/i;
   with(document)
   {
      write(ostr+"<br>");
	  write("发现匹配字符串"+ostr.match(re));
	  write("<br>起始位置:"+RegExp.index);
	  write("<br>结束位置："+RegExp.lastIndex);
   }
</script>