Validateur d'adresse e-mail

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

public class EMailChecker {
    
    private Pattern pattern;
    private Matcher matcher;
    
    public boolean checkMailAddress(String mail){
        pattern = Pattern.compile("^([\\w\\d\\-\\.]+)@{1}
(([\\w\\d\\-]{1,67})|([\\w\\d\\-]+\\.[\\w\\d\\-]{1,67}))\\.
(([a-zA-Z\\d]{2,4})(\\.[a-zA-Z\\d]{2}) )___FCKpd___0quot;);
        matcher = pattern.matcher(mail);
        return matcher.find();
    }

    public static void main(String[] args) {
        String mail = "maxime.vialette@supinfo.com";
        EMailChecker checker = new EMailChecker();
        if(checker.checkMailAddress(mail)){
            System.out.println("Valid email address");
        }else{
            System.out.println("Invalid email address");
        }
    }
}