package tugab;

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

class Student
{
    private String name;
    private int fakNo;

    public Student(String name, int fakNo)
    {
        this.name = name;
        this.fakNo = fakNo;
    }

    public String getInfo()
    {
        return this.name + this.fakNo;
    }

}

public class Main
{
    public static void main(String[] args)
    {
        Student[] students = new Student[3];
        students[0] = new Student("Gosho", 21302234);
        students[1] = new Student("Petar", 23305234);
        students[2] = new Student("Ivo", 31392254);

        String info = "";

        for(int i = 0; i < students.length; i++)
        {
            info += students[i].getInfo();
        }

        System.out.println("Before REGEX: ");
        System.out.println(info);
        System.out.println("After REGEX: ");
        Regex("(\\d{8})", info);


    }

    public static void Regex(String regex, String string)
    {
        Pattern pattern = Pattern.compile(regex);
        Matcher matcher = pattern.matcher(string);

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