View difference between Paste ID: 1XiESKSu and YVJG4sPa

 import java.util.*;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 
 public class Main {
     public static void main(String[] args) {
         Scanner scanner = new Scanner(System.in);
 
         List<String> demons = Arrays.stream(scanner.nextLine().split("[, ]+"))
                 .sorted(String::compareTo)
                 .collect(Collectors.toList());
 
         String healthRegex = "([^\\d+\\-*.\\/])";
 
         String damageRegex = "(-?\\d+\\.?\\d*)";
 
         String operationRegex = "([*/])";
 
         Pattern healthPattern = Pattern.compile(healthRegex);
 
         Pattern damagePattern = Pattern.compile(damageRegex);
 
         Pattern operationPattern = Pattern.compile(operationRegex);
 
         for (String demon : demons) {
             Matcher matcher = healthPattern.matcher(demon);
 
             int health = 0;
 
             while (matcher.find()) {
                 health += matcher.group(1).charAt(0);
             }
 
             matcher = damagePattern.matcher(demon);
 
             double damage = 0;
 
             while (matcher.find()) {
                 damage += Double.parseDouble(matcher.group(1));
             }
 
             matcher = operationPattern.matcher(demon);
 
             while (matcher.find()) {
                 if(matcher.group(1).equals("*")) {
                     damage *= 2;
                 } else {
                     damage /= 2;
                 }
             }
 
             System.out.printf("%s - %d health, %.2f damage%n",
                     demon, health, damage);
         }
     }
 }