**3. Provide regular expressions for the following languages over the alphabet Σ = {0, 1}. Provide a brief explanation as to why your regular expressions generate the given languages.**(a) The set of all strings with at most one pair of consecutive 1’s.(b) The set of all strings not containing 010 as a substring.

Answered: 3. Provide regular expressions for the…

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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**3. Provide regular expressions for the following languages over the alphabet Σ = {0, 1}. Provide a brief explanation as to why your regular expressions generate the given languages.**

(a) The set of all strings with at most one pair of consecutive 1’s.

(b) The set of all strings not containing 010 as a substring.

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Step 1 Introduction

A regular expression which refers to the sequence of characters that are used as specifies a search pattern in text. Usually such patterns are used by string-searching algorithms and also used for "find" or "find and replace" operations on strings, or for input validation.

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