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6 \section*{Homework 2} |
6 \section*{Homework 2} |
7 |
7 |
8 \HEADER |
8 \HEADER |
9 |
9 |
10 \begin{enumerate} |
10 \begin{enumerate} |
11 |
11 \item What is the difference between \emph{basic} regular expressions |
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12 and \emph{extended} regular expressions? |
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13 |
12 \item What is the language recognised by the regular |
14 \item What is the language recognised by the regular |
13 expressions $(\ZERO^*)^*$. |
15 expressions $(\ZERO^*)^*$. |
14 |
16 |
15 \item Review the first handout about sets of strings and read |
17 \item Review the first handout about sets of strings and read |
16 the second handout. Assuming the alphabet is the set |
18 the second handout. Assuming the alphabet is the set |