Technology Fundamentals Final Exam - 14 April 2019 Group I:

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

public class TechnologyFundamentalsFinalExam14April2019GroupIArrivinginKathmandu {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String line = scanner.nextLine();
        //"(?<name>.*?[!@#$?]+[A-Za-z+0-9]+[!@#$?]+)=(?<length>[0-9]+)<<(?<code>.*$)";

        String regex = "^(?<name>[A-Za-z0-9!@#$?]+)=(?<length>\\d+)<<(?<code>(.*?)+)$";
        Pattern pattern = Pattern.compile(regex);

        while (!line.equals("Last note")) {

            Matcher matcher = pattern.matcher(line);

            if (matcher.find()) {
                    String name = matcher.group("name");
                    int length = Integer.parseInt(matcher.group("length"));
                    String code = matcher.group("code");

                    if(length == code.length()){
                        StringBuilder sb = new StringBuilder();

                        for (int i = 0; i < name.length(); i++) {
                            char letter = name.charAt(i);
                            if (Character.isLetter(letter)) {
                                sb.append(letter);
                            }
                        }
                        System.out.println(String.format("Coordinates found! %s -> %s", sb, code));
                }
                    else {
                        System.out.println("Nothing found!");
                    }
            }
            else {
                System.out.println("Nothing found!");
            }

            line = scanner.nextLine();
        }

    }
}