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How to get certain strings from a player chatting?

Asked by
TheWaterFoox 255 Moderation Voter
6 years ago

So, I am making this admin script where everything goes very well. My only problem is that I can't seem to choose which strings I want to read. I've used stuff like message:sub(4, 6) to get different characters, but when it comes to finding the player name entered I can't determine how long the player name will be. I need this information to get the strings coming behind the character name. An example is: /warn WaterFoox "REASON". I want to get the reason for why they got warned and put it into a frame that warns them. I've read on the wikis, but I don't really understand the explanation of whats listed here: https://developer.roblox.com/articles/Lua-Libraries/string#string.sub

Here are some of my code:

view source
01game.Players.PlayerAdded:Connect(function(plr)
02    plr.Chatted:Connect(function(message)
03        for i, admin in pairs(Admins) do
04            if plr.Name == admin then
05                message = string.lower(message)
06                if message:sub(1, 6) == "/warn " then
07                    for _,player in pairs(game:GetService("Players"):GetPlayers()) do
08                          if message:sub(7) == player.Name:sub(1,message:sub(7):len()):lower() then
09                        if player then
10                            local TheWarn = Warn:Clone()
11                            TheWarn.Frame.Frame.MSGTEXT.Message.Text = message:sub(8)
12                            TheWarn.Parent = player.PlayerGui
13                            TheWarn.Frame:TweenPosition(UDim2.new(0.34, 0,0.362, 0), "Out", "Quint", 3)
14                            wait(10)
15                            TheWarn.Frame:TweenPosition(UDim2.new(0.34, 0,1, 0), "Out", "Quint", 3)
View all 23 lines...

I would appreciate an explanation of what I need to use and please comment anything I should change in my script. I'll be happy with everything I get!

Thanks in advance!

~WaterFoox

1 answer

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Answered by
YabaDabaD0O 505 Moderation Voter
6 years ago

Hello there!

You might want to look into string patterns and how they work, there is a wonderful wiki tutorial on the wiki page or you can search up some youtube videos on them.

One video I highly recommend is String Patterns Tutorial where this guy explains in-depth how you can manipulate strings for that reason. (Watch Part 2 aswell)

However, I'll provide a basic example for getting the username here using basic string patterns which even works with usernames with numbers.

view source
1local command = '/warn 0WaterFo0x Exploiting'
2 
3local username = (string.match(command, '/warn%s(%w+)'))
4local reason = (string.match(command, '/warn%s%w+%s(%w+)'))
5print("Username: " .. username, '\nReason: ' .. reason)
0
Thank you so much! This reply is better than I could ever imagine. Now I'll dig down into the wikis for help with string patterns and I'll of course watch the videos! Thank you! TheWaterFoox 255 — 6y
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