Explain in plain English the following two regex: egrep ‘(\b\w+\b) \1’ example_2.txt egrep ‘(\b\w+\b) (\b\w+\b) \1 \2 example_2.txt The explanation should include what each symbol or letter in the regex represents Use man pages. If referencing and external source such as a web page, make sure you post the URL in your answer.
Explain in plain English the following two regex: egrep ‘(\b\w+\b) \1’ example_2.txt egrep ‘(\b\w+\b) (\b\w+\b) \1 \2 example_2.txt The explanation should include what each symbol or letter in the regex represents Use man pages. If referencing and external source such as a web page, make sure you post the URL in your answer.
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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Explain in plain English the following two regex:
- egrep ‘(\b\w+\b) \1’ example_2.txt
- egrep ‘(\b\w+\b) (\b\w+\b) \1 \2 example_2.txt
The explanation should include what each symbol or letter in the regex represents
Use man pages.
If referencing and external source such as a web page, make sure you post the URL in your answer.
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