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Find the regular expression describing following languages over alphabet {0, 1}*.

    a) The language all strings containing at least two 0's.

    b) The language of all strings containing both 00 and 010 as substring.
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    $\begingroup$ What have you tried? Where did you get stuck? $\endgroup$
    – Shaull
    Sep 14, 2021 at 15:30
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    $\begingroup$ This is just the statement of an exercise. What's your confusion? What do you need us to explain? $\endgroup$
    – Steven
    Sep 14, 2021 at 17:19

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