AIquantumServer/src/main/java/com/rf/AIquantum/utils/EmailUtil.java

package com.rf.AIquantum.utils;

import lombok.extern.slf4j.Slf4j;
import org.apache.commons.net.smtp.SMTPClient;

import org.apache.commons.net.smtp.SMTPReply;
import org.xbill.DNS.Lookup;
import org.xbill.DNS.Record;
import org.xbill.DNS.Type;

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

@Slf4j
public class EmailUtil {

    private static final String EMAIL_REGEX = "^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\\.[a-zA-Z]{2,}$";

    public static boolean checkEmail(String email) {
        if (email == null || email.isEmpty()) {
            return false;
        }
        Pattern pattern = Pattern.compile(EMAIL_REGEX);
        Matcher matcher = pattern.matcher(email);
        return matcher.matches();
    }

}