CatStation/Content.Shared/Speech/EntitySystems/MothAccentSystem.cs

using System.Text.RegularExpressions;
using Content.Shared.Speech.Components;

namespace Content.Shared.Speech.EntitySystems;

public sealed class MothAccentSystem : RelayAccentSystem<MothAccentComponent>
{
    private static readonly Regex RegexLowerBuzz = new("z{1,3}");
    private static readonly Regex RegexUpperBuzz = new("Z{1,3}");

    public override string Accentuate(string message, Entity<MothAccentComponent>? ent = null)
    {
        // buzzz
        message = RegexLowerBuzz.Replace(message, "zzz");
        // buZZZ
        message = RegexUpperBuzz.Replace(message, "ZZZ");

        return message;
    }
}