In the past I've taught these concepts to one of my friends. From the description, it seems that you also need some help regarding these concepts. Feel free to contact me for the same.
Relevant Skills and Experience
Theory of Computation, more specifically regular expressions, NFA, DFA, Context Free Grammer, Push Down Automata, and a bit of Turing Machine.
Proposed Milestones
$333 USD - Help on the given topics.