java正则表达式验证IP,邮箱类

import java.util.regex.Matcher;

import java.util.regex.Pattern;

public class KISS {

/**

* 正则表达式验证IP是否规范，规范返回true,不规范则是false

*

* @param ip

* @return

*/

public boolean verifyIpStandard(String ip) {

Pattern pattern = Pattern

.compile("\\d|25[0-5])\\.((?!\\d\\d\\d)\\d+|1\\d\\d|2[0-4]\\d|25[0-5])\\.((?!\\d\\d\\d)\\d+|1\\d\\d|2[0-4]\\d|25[0-5])\\.((?!\\d\\d\\d)\\d+|1\\d\\d|2[0-4]\\d|25[0-5])\\b]\\b((?!\\d\\d\\d)\\d+|1\\d\\d|2[0-4]\\d|25[0-5])\\.((?!\\d\\d\\d)\\d+|1\\d\\d|2[0-4]\\d|25[0-5])\\.((?!\\d\\d\\d)\\d+|1\\d\\d|2[0-4]\\d|25[0-5])\\.((?!\\d\\d\\d)\\d+|1\\d\\d|2[0-4]\\d|25[0-5])\\b");

Matcher matcher = pattern.matcher(ip);

return matcher.matches();

}

/**

* 正则表达式校验邮箱地址是否规范，规范返回true,不规范返回fale

*

* @param postAddress

* @return

*/

public boolean verifyPostBoxStandard(String postAddress) {

Pattern pattern = Pattern

.compile("^([a-zA-Z0-9_\\-\\.]+)@(({1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.)|(([a-zA-Z0-9\\-]+\\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$]\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.)|(([a-zA-Z0-9\\-]+\\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$");

Matcher matcher = pattern.matcher(postAddress);

return matcher.matches();

}

public static void main(String[] args) {

KISS kiss = new KISS();

String ip = "123.12.22.1";

String postAddress = "woshiQQ@qq.com";

System.out.println("邮箱地址规范" + kiss.verifyPostBoxStandard(postAddress));

System.out.println("IP地址规范" + kiss.verifyIpStandard(ip));

}

}