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- import java.util.Scanner;
- import java.util.regex.Matcher;
- import java.util.regex.Pattern;
- public class PyrvaZadacha {
- public static void main(String[] args) {
- Scanner scanner = new Scanner(System.in);
- String regex = "@#+(?<text>[A-Z][A-Za-z\\d]{4,}[A-Z])@#+";
- Pattern pattern = Pattern.compile(regex);
- int n = Integer.parseInt(scanner.nextLine());
- for (int i = 0; i < n; i++) {
- String message = scanner.nextLine();
- Matcher matcher = pattern.matcher(message);
- if(matcher.find()) {
- String textToCheck = matcher.group("text");
- StringBuilder sb = new StringBuilder();
- for (int j = 0; j < textToCheck.length(); j++) {
- char c = textToCheck.charAt(j);
- if (c >= 48 && c <= 57) {
- sb.append(c);
- }
- }
- String productGroup = sb.toString();
- if (productGroup.equals("")) {
- System.out.println("Product group: 00");
- } else {
- System.out.println(String.format("Product group: %s", productGroup));
- }
- } else{
- System.out.println("Invalid barcode");
- }
- }
- }
- }
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