08. Extract Emails

package DPM;

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

public class Main {
        public static void main(String[] args) {
            Scanner scan = new Scanner(System.in);
            String regex = "\\s[A-Za-z][\\w.-]*@[A-Za-z-]+(\\.[A-Za-z]+)+";
            String string = scan.nextLine();
            Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE);
            Matcher matcher = pattern.matcher(string);

            while (matcher.find()) {
                System.out.println(matcher.group(0));

            }
        }
}