Answered: Develop a regular expression to produce…

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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Develop a regular expression to produce correct registration codes. You may use either a Python or Perl representation for your regular expressions but be sure to specify which you have used. (3) ) Use an example code of each form to show that your regular expression works as intended. (2) c) Describe the pattern(string of characters) matched by the following regular expression (RE); /^[a-z ]+\s{1,}([\.\\?I\!][0-9]+)|s{1,)[A-Z ]+\!$/ (3) (d) wil the following pattern be matched by the RE in c? Give a reason for your answer. (2) my password is mylife .497 if you must know

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