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Construct regular expressions for each of the following regular languages. In all cases the alphabet is {a, b}. a) The set of strings that has
Construct regular expressions for each of the following regular languages. In all cases the alphabet is {a, b}. a) The set of strings that has exactly 3 bs (and any number of as). b) The set of strings that have at least one a and at least one b. c.) All strings that end in a double letter. d.) All strings that have exactly one double letter. e.) All strings that do not contain the substring bbb
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