Tags system

@CommandAnnotation(name = "TagSystem", description = "tests the tag system", usage = "[args]",
        type = Constants.TYPE_ADMIN, channel = Constants.CHANNEL_SHITPOST, requiresArgs = true)
public String testtags() {
    String response = args;
    String tagRandom;
    String tagRegex;
    String prefixRandom = "#random#{";
    String prefixRegex = "#regex#{";
    String lastAttepmt;
    try {
        if (response.contains(prefixRandom)) {
            do {
                lastAttepmt = response;
                tagRandom = StringUtils.substringBetween(args, prefixRandom, "}");
                if (tagRandom != null) {
                    ArrayList<String> splitRandom = new ArrayList<>(Arrays.asList(tagRandom.split(";")));
                    Random random = new Random();
                    String toRegex = "#random#\\{" + tagRandom + "\\}";
                    response = response.replaceFirst(toRegex, splitRandom.get(random.nextInt(splitRandom.size())));

                }
            } while (StringUtils.countMatches(response, prefixRandom) > 0 && (!lastAttepmt.equals(response)));
        }
        if (response.contains(prefixRegex)) {
            do {
                lastAttepmt = response;
                tagRegex = StringUtils.substringBetween(args, prefixRegex, "}");
                if (tagRegex != null) {
                    ArrayList<String> splitRegex = new ArrayList<>(Arrays.asList(tagRegex.split(";")));
                    String toRegex = "#regex#\\{" + tagRegex + "\\}";
                    if (splitRegex.size() == 2) {
                        response = response.replaceAll(toRegex, "");
                        response = response.replaceAll(splitRegex.get(0), splitRegex.get(1));
                    } else {
                        response = response.replaceAll(tagRegex, "#ERROR#");
                    }
                }
            } while (StringUtils.countMatches(response, prefixRegex) > 0 && (!lastAttepmt.equals(response)));
        }
    } catch (PatternSyntaxException ex) {
        return "> An Error occurred while attempting to run this command.";
    }
    response = response.replaceAll("#author#", author.getDisplayName(guild));
    response = response.replaceAll("#channel#", channel.mention());
    response = response.replaceAll("#guild#", guild.getName());
    response = response.replaceAll("#authorID#", author.getID());
    response = response.replaceAll("#channelID#", channel.getID());
    response = response.replaceAll("#guildID#", guild.getID());
    response = response.replaceAll("@everyone,", "**[REDACTED]**");
    response = response.replaceAll("@here", "**[REDACTED]**");
    return response;
}