校验手机号

package com.cxqy.business.security.util;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * 手机号校验
 */
public final class MobileVerification {

    private MobileVerification() {
        // Suppresses default constructor, ensuring non-instantiability.
    }

    /**
     * 判断是否是手机号
     *
     * @param mobileNumber 传入的手机号码
     * @return 返回boolean类型
     */

    public static boolean mobileVerification(String mobileNumber) {
        //正则表达式验证手机规则
        Pattern p = Pattern.compile("^[1][0-9]{10}$");
        Matcher m = p.matcher(mobileNumber);
        return m.matches();
    }

    /**
     * 检验电话号码是否符合规则
     *
     * @param phone
     * @return
     */
    public static Boolean checkPhone(String phone) {
        Pattern p = Pattern.compile("^[1][3,4,5,6,7,8,9][0-9]{9}$");
        Matcher m = p.matcher(phone);
        return m.find();
    }

}

if (mobile != null && (mobile.trim().equals("") || !MobileVerification.checkPhone(mobile))) {
    return Resp.buildFail(HttpStatus.BAD_REQUEST, "手机号不存在");
}

原文：https://www.cnblogs.com/yangsanluo/p/14693159.html