local discardedPatterns = {
    "wts.*boost",
    "wtb.*boost",
    "selling.*boost",
    "wtb.*dmt",
}


local function simpleChatFilter(chatFrame, event, text, playerName, _, channelName, _, specialFlags, zoneChannelID, channelIndex, channelBaseName, _, lineID, guid)
    local textLower = text:lower()
    for _, pattern in pairs(discardedPatterns) do
        if textLower:find(pattern) then
            return true  -- discard message
        end
    end
    return false
end

ChatFrame_AddMessageEventFilter("CHAT_MSG_CHANNEL", simpleChatFilter)
print("[|cFFFF7777SimpleChatFilter|r] Discarding|cFFCCCCCC", table.concat(discardedPatterns, " |cFFFF7777|||cFFCCCCCC "), "|r")