Question: 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

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:

br?[ea]+d

Which of the following words does NOT belong to the language defined by this expression?

bed

bard

bead

breed

brad

bad

bread

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