package com.mathapp.utils;

import java.util.regex.Pattern;

public class ValidationUtils {

  // 邮箱正则表达式
  private static final String EMAIL_REGEX =
          "^[a-zA-Z0-9_+&*-]+(?:\\.[a-zA-Z0-9_+&*-]+)*@(?:[a-zA-Z0-9-]+\\.)+[a-zA-Z]{2,7}$";

  // 密码正则表达式：6-10位，至少一个数字，一个小写字母，一个大写字母
  private static final String PASSWORD_REGEX =
          "^(?=.*[0-9])(?=.*[a-z])(?=.*[A-Z]).{6,10}$";

  public static boolean isValidEmail(String email) {
    if (email == null) {
      return false;
    }
    return Pattern.matches(EMAIL_REGEX, email);
  }

  public static boolean isValidPassword(String password) {
    if (password == null) {
      return false;
    }
    return Pattern.matches(PASSWORD_REGEX, password);
  }
}