手機號脫敏處理

/**
 * 手機號碼處理工具類
 * Created by mingtian 2019/07/10
 */
public class PhoneUtils {

    private PhoneUtils() {
    }

    /**
     * 手機號格式校驗正則
     */
    public static final String PHONE_REGEX = "^1(3[0-9]|4[57]|5[0-35-9]|7[0135678]|8[0-9])\\d{8}$";

    /**
     * 手機號脫敏篩選正則
     */
    public static final String PHONE_BLUR_REGEX = "(\\d{3})\\d{4}(\\d{4})";

    /**
     * 手機號脫敏替換正則
     */
    public static final String PHONE_BLUR_REPLACE_REGEX = "$1****$2";

    /**
     * 手機號格式校驗
     * @param phone
     * @return
     */
    public static final boolean checkPhone(String phone) {
        if (StringUtils.isEmpty(phone)) {
            return false;
        }
        return phone.matches(PHONE_REGEX);
    }

    /**
     * 手機號脫敏處理
     * @param phone
     * @return
     */
    public static final String blurPhone(String phone) {
        boolean checkFlag = checkPhone(phone);
        if (!checkFlag) {
            throw new IllegalArgumentException("手機號格式不正確!");
        }
        return phone.replaceAll(PHONE_BLUR_REGEX, PHONE_BLUR_REPLACE_REGEX);
    }
}