java、jquery、验证正则表达式的方法

先介绍java验证正则表达式的方法，一共有两种，代码如下：

package com.ustc.nhss.test;

import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
 * @说明：java验证正则表达的式的两种方法
 * */
public class Regular {
	public static void main(String args[]) {
                  //第一种
		Pattern p = Pattern.compile("^13\\d\\d\\d\\d\\d\\d\\d\\d\\d@e|(^15\\d\\d\\d\\d\\d\\d\\d\\d\\d@e)|(^18\\d\\d\\d\\d\\d\\d\\d\\d\\d@e)");
		String s = "18668327308@e";
		Matcher m = p.matcher(s);
		if (m.find()) {
			String x = s.substring(0, 11);
			System.out.println("{" + x + "}");
		} else {
			System.out.println("xxx");
		}
		String t = "^13\\d\\d\\d\\d\\d\\d\\d\\d\\d@e|(^15\\d\\d\\d\\d\\d\\d\\d\\d\\d@e)|(^18\\d\\d\\d\\d\\d\\d\\d\\d\\d@e)";
                  //第二种
		if(s.matches(t)){
			String x = s.substring(0, 11);
			System.out.println("{" + x + "}");
		};
	}
}

以下为jquery验证ip的实例：

if(!valicateIp(deviceIp)){
		alert("请输入合法的IP");
		return false;
	}
//检查IP的合法性
function valicateIp(ip){
    var pattern = /((2[0-4]\d|25[0-5]|[01]?\d\d?)\.){3}(2[0-4]\d|25[0-5]|[01]?\d\d?)/;
    return pattern.test(ip);
}