url_split.html

《JavaScript网页开发体验式学习教程》的源代码

<!--script language="javascript">
	var reg = /(\w+):\/\/([^/:]+)(?::(\d*))?([^# ]*)/;
	var arr1 = "http://www.it315.org:8080/index.html".match(reg);
	var arr2 = "http://www.it315.org/book/welcome.html#mark1".match(reg);
	var str = "协议，主机名，端口号，资源路径\n";
	str += arr1[1] + "，" + arr1[2] + "，" + arr1[3] + "，" + arr1[4] + "\n";
	str += RegExp.$1 + "，" + RegExp.$2 + "，" + RegExp.$3 + "，" + RegExp.$4 + "\n";
	alert(str);
</script-->
<script language="javascript">
	var patterns = new Object();

	//匹配ip地址
	patterns.ip = /^(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])(\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])){3}$/;

	//匹配邮件地址
	patterns.email = /^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+$/;

	//匹配日期格式2008-01-31，但不匹配2008-13-00
	patterns.date = /^\d{4}-(0?[1-9]|1[0-2])-(0?[1-9]|[1-2]\d|3[0-1])$/;
	
	/*匹配时间格式00:15:39，但不匹配24:60:00，下面使用RegExp对象的构造方法
	来创建RegExp对象实例，注意正则表达式模式文本中的“\”要写成“\\”*/
	patterns.time = new RegExp("^([0-1]\\d|2[0-3]):[0-5]\\d:[0-5]\\d$");
		
	/*verify – 校验一个字符串是否符合某种模式
	 *str – 要进行校验的字符串
	 *pat – 与patterns中的某个正则表达式模式对应的属性名称
     */
	function verify(str,pat)
	{		
		thePat = patterns[pat];
		if(thePat.test(str))
		{
			return true;
		}
		else
		{
			return false;
		}
	}
	
	alert(verify("00:00:11","time") + "," + verify("[e-mail]","email") +
		"," + verify("192.168.1.1","ip") + "," + verify("2003-00-31","time"));
</script>