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2021 | OriginalPaper | Chapter

4. Regular Expressions: Introduction

Author : William Yarberry

Published in: CRAN Recipes

Publisher: Apress

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Abstract

First impressions of regular expressions are rarely positive. They look arcane, a throwback to the early decades of modern computing, when GUIs and object-oriented programming were a distant future. However, once you get past its look and feel, regular expressions give you serious power to search, filter, and manipulate text and numbers with speed and minimal code.

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Footnotes
1
“Regular Expression Library,” accessed on March 14, 2020, http://regexlib.com/Search.aspx?k=email&c=-1&m=-1&ps=20.
 
2
“Read Rectangular Text Data,” accessed on April 7, 2020, https://readr.tidyverse.org/.
 
3
“Why Are Regular Expressions Difficult?”, accessed on March 27, 2020, www.johndcook.com/blog/2019/06/19/why-regex/.
 
Metadata
Title
Regular Expressions: Introduction
Author
William Yarberry
Copyright Year
2021
Publisher
Apress
Book
CRAN Recipes

Print ISBN: 978-1-4842-6875-9

Electronic ISBN: 978-1-4842-6876-6

Copyright Year: 2021

DOI
https://doi.org/10.1007/978-1-4842-6876-6_4

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