Receives an array of quotes and the name of the hero. Said hero will have one of its letters replaced by a number, which indicates which quote he says.

BatmanQuotes.java

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

public class BatmanQuotes{

  public static int indexOf(Pattern pattern, String s) {
    Matcher matcher = pattern.matcher(s);
    return matcher.find() ? matcher.start() : -1;
    }
    
  public static String getQuote(String[] quotes, String hero){
	  int n;
    String returnString = "";
    int index = indexOf(Pattern.compile("[(0-9)]"), hero);
    if(index == hero.length()-1) n = Integer.parseInt(hero.substring(index));
    else n = Integer.parseInt(hero.substring(index,index+1));
   
    String[] split = hero.split("[(0-9)]");
   
    if (indexOf(Pattern.compile("(Rob)"),split[0]) != -1) return returnString+="Robin: " + quotes[n];
    else if (indexOf(Pattern.compile("(Bat)"),split[0]) != -1) return returnString+="Batman: " + quotes[n];
    return returnString+="Joker: " + quotes[n];
  }
}