RegEx - Match Phone Number

package com.company;


import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;

public class Main {

    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        String input = scanner.nextLine();
        String regex = "\\+359([\\s|-])2\\1[\\d]{3}\\1[\\d]{4}\\b";

        Pattern pattern = Pattern.compile(regex);
        Matcher matcher = pattern.matcher(input);
        List<String> phones = new ArrayList<>();

        while (matcher.find()) {
            phones.add(matcher.group());
        }
        System.out.print(String.join(", ", phones));

    }


}