RE validator

package com.office.utility;

 

import java.util.regex.Pattern;

 

/**

 * 校验器：利用正则表达式校验邮箱、手机号等

 *

 * @author liujiduo

 *

 */

public class Validator {

    /**

     * 正则表达式：验证用户名

     */

    public static final String REGEX_USERNAME = "^[a-zA-Z]\w{5,17}$";

　　　　/**

     * 正则表达式：验证密码

     */

    public static final String REGEX_PASSWORD = "^[a-zA-Z0-9]{6,16}$";

 

    /**

     * 正则表达式：验证手机号

     */

    public static final String REGEX_MOBILE = "^((13[0-9])|(15[^4,\D])|(18[0,5-9]))\d{8}$";

 

    /**

     * 正则表达式：验证邮箱

     */

    public static final String REGEX_EMAIL = "^([a-z0-9A-Z]+[-|\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\.)+[a-zA-Z]{2,}$";

/**

     * 校验用户名

     *

     * @param username

     * @return 校验通过返回true，否则返回false

     */

    public static boolean isUsername(String username) {

        return Pattern.matches(REGEX_USERNAME, username);

    }

 

    /**

     * 校验密码

     *

     * @param password

     * @return 校验通过返回true，否则返回false

     */

    public static boolean isPassword(String password) {

        return Pattern.matches(REGEX_PASSWORD, password);

    }

 

    /**

     * 校验手机号

     *

     * @param mobile

     * @return 校验通过返回true，否则返回false

     */

    public static boolean isMobile(String mobile) {

        return Pattern.matches(REGEX_MOBILE, mobile);

    }

 

    /**

     * 校验邮箱

     *

     * @param email

     * @return 校验通过返回true，否则返回false

     */

    public static boolean isEmail(String email) {

        return Pattern.matches(REGEX_EMAIL, email);

    }

 

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转自：https://www.oschina.net/code/snippet_1021818_47946