java正则表达式验证邮箱、IP地址、手机号码
1.java验证IP地址：
package com.ccit.networld.ccs.common.util;import java.io.IOException; import java.util.regex.Matcher; import java.util.regex.Pattern; import org.apache.log4j.Logger; public class ClassPathResource { private static final Logger logger = Logger.getLogger(ClassPathResource.class); public static boolean isMobileNO(String mobiles){ Pattern p = Pattern.compile("^((13[0-9])|(15[^4,\\D])|(18[0,5-9]))\\d{8}$"); Matcher m = p.matcher(mobiles); logger.info(m.matches()+"---"); return m.matches(); } public static boolean isEmail(String email){ String str="^([a-zA-Z0-9]*[-_]?[a-zA-Z0-9]+)*@([a-zA-Z0-9]*[-_]?[a-zA-Z0-9]+)+[\\.][A-Za-z]{2,3}([\\.][A-Za-z]{2})?$"; Pattern p = Pattern.compile(str); Matcher m = p.matcher(email); logger.info(m.matches()+"---"); return m.matches(); } public static void main(String[] args) throws IOException { System.out.println(ClassPathResource.isEmail("121212121212@12-12.co-m.cn")); } }