8.2.htm

来自「精通JavaScript动态网页编程（书）」· HTM 代码 · 共 37 行

<script language="javascript">
	var strSrc = "xxa1b01c001yya2b02c002zz";
	var re = /a(\d)b(\d{2})c(\d{3})/gi;
	var arr, count = 0;
	while ((arr = re.exec(strSrc)) != null)
	{
		displayResult();
	}
	function displayResult()
	{
		document.write("<p>这是用正则表达式/" + re.source + "/gi对字符串<br>\""
			 + RegExp.input + "\"进行第" + (++count) + "次搜索的结果：<br>");
		document.write("RegExp.index为" + RegExp.index + "<br>");
		document.write("RegExp.lastIndex为" + RegExp.lastIndex + "<br>");
		document.write("RegExp.lastMatch为" + RegExp.lastMatch + "<br>");
		document.write("RegExp.lastParen为" + RegExp.lastParen + "<br>");
		document.write("RegExp.leftContext为" + RegExp.leftContext + "<br>");
		document.write("RegExp.rightContext为" + RegExp.rightContext + "<br>");
		document.write("RegExp.$1为" + RegExp.$1 + "<br>");
		document.write("RegExp.$2为" + RegExp.$2 + "<br>");
		document.write("RegExp.$3为" + RegExp.$3 + "<br>");
		document.write("RegExp.$4为" + RegExp.$4 + "<br>");
		document.write("arr.index为" + arr.index + "<br>");
		document.write("arr.input为" + arr.input + "<br>");
		document.write("arr.lastIndex为" + arr.lastIndex + "<br>");
		document.write("返回数组的元素个数为" + arr.length + "<br>");
		document.write("返回数组的内容为[");
		for(var i=0; i<arr.length; i++)
		{
			if(i < arr.length-1)
				document.write("\"" + arr[i] + "\",");
			else
				document.write("\"" + arr[i] + "\"]</p>");
		}
	}
</script>