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kuukuuu
How do I cheat?
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Joined: 19 Sep 2025
Posts: 7
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Post Posted: Fri Sep 19, 2025 7:22 am Post subject: On using instruction:find() to search for 'break and track'
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I found a strange problem, I can't use instruction:find() to search for instructions that use [] addressing as source operands, such as:
mov eax,[esp+14]
call dword ptr[eax*8+005DD374]
jmp dword ptr[ebx*4+4CEE6C]
Even if I use:
instruction:find('.')~=nil
I can't make this kind of instruction highlight.
other instructions like:
mov [esp+20],eax
and others are fine.
But using a register value as a search criterion, like EBX == 0x0, can highlight all instructions.
emmm...Is this a bug?
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Dark Byte
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Joined: 09 May 2003
Posts: 25816
Location: The netherlands
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as you mentioned in your previous post: you should have spend the time looking into lua
[ is a special in lua. You need to add a % in front of them so %[
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kuukuuu
How do I cheat?
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Joined: 19 Sep 2025
Posts: 7
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I did catch up on a little LUA,So I also tried instruction:find('%[')~=nil
However, it can only highlight instructions like mov [esi+00d27714],edi , while mov edi,[esi+00d27714] cannot be highlighted.
Is there a bug with the Cheat Engine version I downloaded?（Not the official version，I won't compile from source） Embarassed
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Dark Byte
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Joined: 09 May 2003
Posts: 25816
Location: The netherlands
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try
Code:
instruction:find('[',true)~=nil
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kuukuuu
How do I cheat?
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Joined: 19 Sep 2025
Posts: 7
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It still doesn't work, it will pop up the lua engine window with a lot of 【error:[string ".."]:4: bad argument #2 to 'find" (number expected, got boolean)】output
I downloaded an English version of CE 7.4, but this is still the case
Maybe the Cheat Engine version I'm using is too old... I tried to replace true with 1, but the lua engine still outputs the error messages
Error:[string "..."]:4: malformed pattern (missing ']').
I also tried the condition
instruction:find('%[',1)~=nil
so that the lua engine would not give an error, but i'm back to the old situation , where I can only highlight mov [esi+00d27714],edi and not highlight mov edi,[esi+00d27714] . Confused
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ParkourPenguin
I post too much
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`plain` is the fourth parameter to string.find. Third if you use `:`
Code: instruction:find('[', nil, true)
In the picture, is there a space in the pattern? I can't tell because of the font.
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kuukuuu
How do I cheat?
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Joined: 19 Sep 2025
Posts: 7
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ParkourPenguin wrote: `plain` is the fourth parameter to string.find. Third if you use `:`
Code: instruction:find('[', nil, true)
In the picture, is there a space in the pattern? I can't tell because of the font. |
If I use search condition
Code:
instruction:find('[', nil, true)~=nil
The search works, but the previous problem remains unsolved and is still not useful for instructions like
Code:
mov ecx,[00EE59A0]
that have [] as their source operand.
Is there no such trouble in your Cheat Engine? Maybe it's just my personal computer environment problem. Embarassed
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Dark Byte
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Joined: 09 May 2003
Posts: 25816
Location: The netherlands
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no problem in mine, and technically there should be no reason at all for that
open lua engine : ctrl+alt+L anywhere in CE, and paste in
Code:
s='mov ecx,[00EE59A0]'
return s:find('[',nil,true)~=nil
it should return true
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kuukuuu
How do I cheat?
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Joined: 19 Sep 2025
Posts: 7
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Dark Byte wrote: no problem in mine, and technically there should be no reason at all for that
open lua engine : ctrl+alt+L anywhere in CE, and paste in
Code:
s='mov ecx,[00EE59A0]'
return s:find('[',nil,true)~=nil
it should return true |
Yes, when I run this code in the lua engine, the output is:
Code:
s='mov ecx,[00EE59A0]'
return s:find('[',nil,true)~=nil
1:true
Oh! No more problems! After some try I managed to install the latest version and now I can normally highlight instructions like mov ecx,[00EE59A0]!
Thank you for your help! Very Happy
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