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Link: http://codepad.org/ieoJ5bYe    [ raw code | output | fork ]

Lua, pasted on Feb 17:
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str = "FG"

if(str ~= nil)then
print(tonumber(str,16));
end

if(tonumber(str,16) >= 0x0 and tonumber(str,16) <= 0xFF and str ~= nil)then
print("Right area");
end


Output:
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line 7: attempt to compare number with nil
stack traceback:
	t.lua:7: in main chunk
	[C]: ?
nil


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