Regular Expressions Machinery: The Illustrated GuideКНИГИ » ПРОГРАММИНГ
Название: Regular Expressions Machinery: The Illustrated Guide Автор: Staffan Nöteberg Издательство: Rekursiv AB Год: 2025 Страниц: 155 Язык: английский Формат: pdf Размер: 10.8 MB
Get a Grip on the Regex Machinery.
To effectively use regular expressions, you need to understand how the machinery works under the hood. It’s about taking control of the search process, controlling how the pattern is matched, and thus getting both faster and more accurate results.
In this illustrated guide, you gain precisely that understanding.
You can even get started without any prior knowledge of regular expressions. Before you know it, advanced tools like reluctant, lookbehind and nondeterministic finite automata will be at your fingertips as you write efficient and elegant regexes with ease.
About This Book:
This book is written for those who want to deeply understand regular expressions. Maybe you’ve come across them in programming languages or tools, but never really understood how they work under the hood. The book presents complex concepts in a simple and visual way, with clear examples and practical applications. Whether you are a programmer, data analyst, or just want to get better at text processing, this book will take your knowledge to the next level.
The goal of the book is to give you a deep understanding of regular expressions so that you can use them with confidence and efficiency in your work. We begin by looking at the theoretical basis of regular expressions: finite automata. Then, we go through the only two operations and the only function needed to create regular expressions. We also thoroughly explore all basic and advanced features of modern regular expressions, and some of the most common pitfalls. Finally, we examine the concept of test-driven development (TDD) and how you can leverage it to write regexes that are correct and easy to maintain in your production code.
Here are some examples of people who could benefit from the book: - Application developers: If you regularly use regular expressions in languages like Java, C#, Python, or Ruby, you’ll be able to write more efficient, accurate, and readable expressions after reading this book. - Data analysts: If you work with text analysis or data mining, you can use regular expressions to identify patterns and extract information from large datasets. - Software developers focused on compilers and DSLs: For those who develop compilers or domain-specific languages, this book provides insights into how regular expressions can be used to define and interpret languages. - System and network administrators: If you administer systems or networks, you can use regular expressions to analyze log files, search for specific patterns, and automate tasks. - Computer science students: If you’re taking a course on automata theory or compiler design, this book will give you a concrete and illustrated introduction to regular expressions and the underlying automata theory.
What You Need:
If you want to test the regexes in this book, all you need is a web browser. There are many free regex REPLs (Read-Eval-Print Loops) available online. These are interactive tools that allow you to enter a regex and some text, then see the results of the regex matching against the text. If you prefer to test the examples on your own computer, installing Ruby is recommended. However, it is important to know that you do not need any Ruby knowledge to run the examples.
About the Author:
Staffan Nöteberg is a bestselling author passionate about helping people become more efficient and focused. He is the author of these popular books:
Pomodoro Technique Illustrated: The Easy Way to Do More in Less Time Monotasking: How to Focus Your Mind and Be More Productive Guiding Star OKRs: A New Approach to Setting and Achieving Goals
With a background in software development and an interest in productivity, Staffan combines his expertise with an ability to explain complex topics in an easy-to-understand way.
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Regular Expressions Machinery: The Illustrated Guide 
