java 判断邮箱和手机

/**
 * 验证邮箱
 *
 * @param email
 * @return
 */

public static boolean checkEmail(String email) {
    boolean flag = false;
    try {
        String check = "^([a-z0-9A-Z]+[-|_|\\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\\.)+[a-zA-Z]{2,}$";
        Pattern regex = Pattern.compile(check);
        Matcher matcher = regex.matcher(email);
        flag = matcher.matches();
    } catch (Exception e) {
        flag = false;
    }
    return flag;
}

/**
 * 验证手机号码，11位数字，1开通，第二位数必须是3456789这些数字之一 *
 * @param mobileNumber
 * @return
 */
public static boolean checkMobileNumber(String mobileNumber) {
    boolean flag = false;
    try {
        // Pattern regex = Pattern.compile("^(((13[0-9])|(15([0-3]|[5-9]))|(18[0,5-9]))\\d{8})|(0\\d{2}-\\d{8})|(0\\d{3}-\\d{7})$");
        Pattern regex = Pattern.compile("^1[345789]\\d{9}$");
        Matcher matcher = regex.matcher(mobileNumber);
        flag = matcher.matches();
    } catch (Exception e) {
        e.printStackTrace();
        flag = false;

    }
    return flag;
}