Profile PictureSundeep Agarwal

Understanding Ruby Regexp

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About

Scripting and automation tasks often need to extract particular portions of text from input data or modify them from one format to another.

This book will help you learn Ruby Regular Expressions, a mini-programming language for all sorts of text processing needs.

The book heavily leans on examples to present features of regular expressions one by one. It is recommended that you manually type each example and experiment with them.

Exercises are included to test your understanding. Reference solutions are also provided.


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Prerequisites

You should be familiar with programming basics. You should also have a working knowledge of Ruby syntax and features like string formats, string and Enumerable methods.

You are also expected to get comfortable with reading documentation, searching online, visiting external links provided for further reading, tinkering with illustrated examples, asking for help when you are stuck and so on. In other words, be proactive and curious instead of just consuming the content passively.


Sample chapters

For a preview of the book, see sample chapters on GitHub.


GitHub repo

Visit https://github.com/learnbyexample/Ruby_Regexp for markdown source, example files, exercise solutions and other details related to the book.


Chapters

  1. Preface
  2. Why is it needed?
  3. Regexp introduction
  4. Anchors
  5. Alternation and Grouping
  6. Escaping metacharacters
  7. Dot metacharacter and Quantifiers
  8. Interlude: Tools for debugging and visualization
  9. Working with matched portions
  10. Character class
  11. Groupings and backreferences
  12. Interlude: Common tasks
  13. Lookarounds
  14. Modifiers
  15. Unicode
  16. Further Reading


Feedback and Errata

I would highly appreciate it if you'd let me know how you felt about this ebook. It could be anything from a simple thank you, Gumroad rating, pointing out a typo, mistakes in code snippets, which aspects of the book worked for you (or didn't!) and so on. Reader feedback is essential and especially so for self-published authors.

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Pages
107
Last Updated
2024-02-02
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Understanding Ruby Regexp

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