13.1.3 replace方法.html

javascript即用即差核心对象手册

<script>
   var ostr=new String("this is a test");
   var reG=/s\w?/g;
   var re=/s\w?/;
   with (document)
   {
      write(ostr+"<br>");
	  //全局检测
      write(ostr.replace(reG,"**"));
      write("<br>");
	  //只进行一次匹配渐次
      write(ostr.replace(re,"××"));
   }
</script>