How to find a sub-set of bytes in sequence of bytes.

I want to know if it's posible to find a sub-set in a sequence of bytes.
Let me explain me:
I have the following sequence of bytes
45 44 43 42 41 00 00 45 44 43 53 44 45 43 42 41 00 00
��
And I want to know how many times the sub-set "45 44 43 42 41" is at that sequence, of course in this example the answer is two. I know that I can use and automata but I'm trying to find another solution.
-Daniel

zkropotkine wrote:
Hunter, thanks a lot a use my own algorith (an automata but very simple and manteinable one). The problem is that I evaluate your help as useful but at the end of the day your idea help me to resolve the problem. So if you wan't your "dukes" please put a new message in order to give you the dukes (I can't do that in your previous post).
Thanks everyone... again.Ha, I'm glad it was helpful. I'll tell you what, I just need one more point to get my yellow star, so how about you give me one, and split the rest between the other people who helped. :)

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>
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