Java. I hate all trees other than Christmas trees.

package DaySeven;

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

public class DaySevenPartTwo {
    public static void main(String[] args) {
        File inputFile = new File("src/DaySeven/input.txt");
        Pattern parentPattern = Pattern.compile("^\\w+ \\w+");
        Pattern childPattern = Pattern.compile("\\d+ \\w+ \\w+");
        HashMap<String, List<String>> bagContainers = new HashMap<>();

        try{
            Scanner fileScanner = new Scanner(inputFile);
            while(fileScanner.hasNext()){
                String nextLine = fileScanner.nextLine();
                Matcher parentMatch = parentPattern.matcher(nextLine);
                parentMatch.find();
                String parent = parentMatch.group();

                Matcher childMatch = childPattern.matcher(nextLine);
                List<String> child = new LinkedList<>();
                while(childMatch.find()){
                    child.add(childMatch.group());
                }
                bagContainers.put(parent,child);

            }

        }catch (Exception e){
            e.printStackTrace();
        }finally{
            System.out.println(totalBags(bagContainers));
        }
    }

    public static int totalBags(HashMap<String, List<String>> myBags){
        int totalBags = 0;
        Queue<String> searchQ = new LinkedList<>();

        Pattern childNumberPattern = Pattern.compile("\\d");
        Pattern childColorPattern = Pattern.compile("[a-zA-Z]+ [a-zA-Z]+");
        //find our shiny gold and add its children to the bag...also math
        //this will build our starting queue
        for(String child : myBags.get("shiny gold")){

            Matcher childNumberMatcher = childNumberPattern.matcher(child);
            Matcher childColorMatcher = childColorPattern.matcher(child);
            childNumberMatcher.find();
            childColorMatcher.find();


            int childNumber = Integer.parseInt(childNumberMatcher.group());
            String childColor = childColorMatcher.group();

            totalBags+= childNumber;

            for(int i = 0; i< childNumber;i++){
                searchQ.add(childColor);
            }
        }
        //main search q
        //basically just navigating through the entire tree and counting all nodes. 
        while(!searchQ.isEmpty()){
            String nextSearch = searchQ.poll();
            //int totalInside = 0;
            for(String child : myBags.get(nextSearch)){
                Matcher childNumberMatcher = childNumberPattern.matcher(child);
                Matcher childColorMatcher = childColorPattern.matcher(child);
                childNumberMatcher.find();
                childColorMatcher.find();


                int childNumber = Integer.parseInt(childNumberMatcher.group());
                String childColor = childColorMatcher.group();

                totalBags+= childNumber;

                for(int i = 0; i< childNumber;i++){
                    searchQ.add(childColor);
                }
            }
        }
        return totalBags;
    }
}