Madlib.java

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

public class Madlib {

    public static void main(String a[]){
        String stream = "My name is NAME and I work at COMPANY";
        Pattern pattern = Pattern.compile("\\b[A-Z]{2,}\\b");
        // Pattern pattern = Pattern.compile("\\{([A-Za-z0-9]+)\\}"); // use this to replace {word} instead of CAPITALS

        Matcher matcher = pattern.matcher(stream);
        
        List<String> words = new ArrayList<String>();

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

}