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

public class MyClass {
    public static void main(String args[]) {
        String line = "tu wklej linki";
        
        String pattern = "!(.*?)/";
        Pattern r = Pattern.compile(pattern);
        Matcher m = r.matcher(line);
        
        while (m.find()) {
            String match = m.group();
            System.out.print(match);
        }
        
       
        
    }
}