15. Consider the following regular expression: [az]+((-|_) [az]+){0,1}(. [0-9]*)? Briefly explain why each of the strings...

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15. Consider the following regular expression: [az]+((-|_) [az]+){0,1}(\. [0-9]*)? Briefly explain why each of the strings from the following set that would or would not be matched by the above regex: (a) abc-X27 (b) abc_def. 27 (c) z. (d) abc-def_ghi345 (e) abc-def25.16 15. Consider the following regular expression: [az]+((-|_) [az]+){0,1}(\. [0-9]*)? Briefly explain why each of the strings from the following set that would or would not be matched by the above regex: (a) abc-X27 (b) abc_def. 27 (c) z. (d) abc-def_ghi345 (e) abc-def25.16

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The given regular expression is az1az0109 Explanation of the regular expression az Matches one or mo... View the full answer