Building IT Systems Questions *ONLY ANSWER IF ANSWERING ALL 5* Fill in boxes wit

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Building IT Systems Questions *ONLY ANSWER IF ANSWERING ALL 5*

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QUESTION 1 This is a MULTIPLE ANSWER question, which means you are able to select one or more answers as being correct. Note that this does not necessarily mean that there are multiple correct answers. In any case, select all the 1 points Save Answer answers you believe are correct. (NB: There are no part marks awarded for multiple answer questions.) One use for regular expressions is to define concisely all the patterns that belong to a particular language formed from sequences of symbols. Consider the regular expression: brlea]+d Which of the following word's belong to the language defined by this expression? O brad bad 0 bread bard bed breed bead

Explanation / Answer

Answer 1:
Words belonging to lang:
brad, bread, breed

Answer 2:
Words not matching:
bead, bard, bad, bed

Answer 3:
Words not matching:
bard

Answer 4:
[a-zA-Z]+ at both the empty places

Answer 5:
Words belonging to lang:
taught, timeout

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