Help with getting and replacing chars/words

This is my code where I attempt to make a plugin pick up a word/char and replace it for a unicode such as the love heart which can be indicated by the \u2764

This is my code:

Code:

package me.lewishjames;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.player.AsyncPlayerChatEvent;
public class Emoji implements Listener{
   
    @EventHandler
    public void onPlayerChat(AsyncPlayerChatEvent e) {
        String[] SYMBOLS = {"<3"};
        // This replaces every punctuation symbol except @ by a space
        String message = e.getMessage().toLowerCase().replaceAll("@", "a").replaceAll("\\p{Punct}", " ");

        for(String word : SYMBOLS){
            char heart = '\u2764';
          if(message.matches("(.* )?"+word+"( .*)?")) {
            // There has been a swear word in the message
            e.setMessage(e.getMessage().[COLOR=#ff0000]replaceAll[/COLOR](word, heart));
          } else {
            // The current swear word was not found in the message.
          }
        }
    }
}

And then I get an error where the red is

 

@Lewishjames

Change this:

Code:

e.setMessage(e.getMessage().[COLOR=#ff0000]replaceAll[/COLOR](word, heart));

To this:

Code:

e.setMessage(e.getMessage.replaceAll(word,ChatColor.RED+heart));

Hope this helped,
- Minty

*Untested code