Every Linux User Should Know Regex and Awk

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6m Dec 29, 2020

Regex is a fundamental skill for anyone working with text streams, whether professionally or just for managing your Linux system but a lot of regex examples are needlessly complex and it doesn't have to be like that. Regex is actually quite easy once you understand the components.

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GNU Awk Manual: https://www.gnu.org/software/gawk/manual/gawk.html
Date Validation: https://stackoverflow.com/questions/42355995/regex-to-match-date-formats-dd-mm-yyyy-and-dd-mm-yyyy

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Table of Contents

Timecode Title
0:00 Introduction
1:58 Regex In Awk
2:29 Match On Start
2:56 Match On End
3:19 Match On Any Symbol
4:12 Repeat Previous 0 or More Times
5:25 Repeat Previous 1 Or More Times
6:14 Alternation
6:47 Interval Expressions
7:28 Grouping
7:50 Bracket Expansion
8:49 Escaping Special Symbols
9:34 Character Classes & Range Expressions
11:08 Matching Expression
12:07 Breaking Down Starting Regex
13:36 Closing

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