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Understanding JavaScript RegExp with hundreds of examples and exercises (learnbyexample.github.io)

submitted 10 months ago by [email protected] to c/[email protected]

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Hello!

I am pleased to announce a new version of my Understanding JavaScript RegExp ebook. This book will help you learn JavaScript Regular Expressions step-by-step from beginner to advanced levels with hundreds of examples and exercises.

Links:

PDF/EPUB versions: https://learnbyexample.gumroad.com/l/js_regexp (free till 05-Nov-2023)
Web version: https://learnbyexample.github.io/learn_js_regexp/
Markdown source, exercise solutions, etc: https://github.com/learnbyexample/learn_js_regexp
Short video about the book: https://youtu.be/8X-hUel3GxM

I would highly appreciate it if you'd let me know how you felt about this book. It could be anything from a simple thank you, 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.

Happy learning :)

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[–] [email protected] 3 points 10 months ago (2 children)

Is calling Regex "Regexp" a Javascript thing or am I missing something?

[–] [email protected] 3 points 10 months ago

They're both alternate spellings of the same thing. Yes JS/ES/Ruby and a few other languages use "RegExp" in their standard libraries. Henry Spencer referred to one of his regex libraries as "regexp" as far back as 1986. I prefer regex because that's what I learned first, and it's easier to say "regexes" when you want to pluralize it, but I've seen both forms pop up over the years.

/regexp?/

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