Write a regular expression for the set of strings over the alphabet {a,b} that have at least one a and at least one b. For example, aaaba and bbaba are strings in the set, but aaaa and bbb are not. Provide a brief explanation of how your expression works.
Write a regular expression for the set of strings over the alphabet {a,b} that have at least one a and at least one b. For example, aaaba and bbaba are strings in the set, but aaaa and bbb are not. Provide a brief explanation of how your expression works.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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![Write a regular expression for the set of strings over the alphabet {a, b} that have at least one a and
at least one b. For example, aaaba and bbaba are strings in the set, but aaaa and bbb are not.
Provide a brief explanation of how your expression works.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9d8d9faf-b9df-42a1-8480-6ec7c9a1f4ad%2F06e10107-b2c8-4751-a87f-04a1be3bb39e%2F85gypg9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Write a regular expression for the set of strings over the alphabet {a, b} that have at least one a and
at least one b. For example, aaaba and bbaba are strings in the set, but aaaa and bbb are not.
Provide a brief explanation of how your expression works.
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