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Products that do what I wrote a book on GNU grep and ripgrep does

My book on "GNU grep and ripgrep" is free to download today and tomorrow [1][2] Code snippets, example files and sample chapters are available on GitHub [3] The book uses plenty of examples and regular expressions are also covered from scratch. The book is suitable for beginners as well as serves as a reference. Hope you find it useful, I would be grateful for your feedback and suggestions. I used pandoc+xelatex [4] to generate the pdf. [1] https://gumroad.com/l/gnugrep_ripgrep [2] https://leanpub.com/gnugrep_ripgrep [3]…

  1. 1AE

    Hi, I recently published my ebook on GNU awk one-liners [1]. It starts from the basics of awk syntax and then discusses one-liner examples. There's a chapter on regular expressions as well. The github repo has the details on how to get the PDF version, all the example files and code snippets used in the book, sample chapters as well the markdown source used to generate the PDF. I made all my ebooks [2] free last month amidst the pandemic fears. These include GNU grep & ripgrep, GNU sed and three books on regular expressions (Python, Ruby, JavaScript). I'd appreciate your feedback and hope…

    2020

  2. 2IW

    My book titled "Python re(gex)?" is free to download through this weekend [1][2] The book covers both 're' and 'regex' modules, has plenty of examples and chapters also have cheatsheets and exercises. Code snippets, exercises, sample chapters, etc are available on GitHub repo [3] I used pandoc+xelatex [4] to generate the pdf. [1] https://gumroad.com/l/py_regex [2] https://leanpub.com/py_regex [3] https://github.com/learnbyexample/py_regular_expressions [4]…

    2019

  3. 3JR

    Hello. I updated my ebook on JavaScript regular expressions [1] today - updates include corrections, additional content, exercises, solutions, etc All my ebooks [2] are currently free to help with quarantine reading. These include GNU grep & ripgrep, GNU sed, GNU awk and three books on regular expressions - Python, Ruby, JavaScript I'd appreciate your feedback and hope the books are useful. Happy learning :) [1] https://github.com/learnbyexample/learn_js_regexp [2] https://learnbyexample.github.io/books/

    2020

  4. 4SC
  5. 5RC

    2020 · ihateregex.io

  6. 6

    Code search made fast

    2025

  7. 7IW

    The book page links to a blog post that explains how I got about it (and has a link to sample content), but the TL&DR is that I could not find a lot of books that were on "our" history _and_ were larded with technical details. So I set about writing one, and some five years later I'm happy to share the result. I think it's one of the few "computer history" books that has tons of code, but correct me if I'm wrong (I wrote this both to tell a story and to learn :-)). My favorite languages are Smalltalk and Lisp, but as an Emacs user, I've been using the latter for much longer and for my…

    Feb 2026 · berksoft.ca

  8. 8LS

    Kicked my course off today - grep101.com - with lessons starting Monday. I think I've got the pricing right to attract a good class of keen learners for this first run through...

    2012

  9. 9UA

    Hi! I've been building a debugger on my nights and weekends because it's fun, and I personally need a better debugger for my work. GDB and LLDB pain me greatly; we can and will do better! As explained in the README, it's still very early-days and it's not ready for use yet, but check back often because it's improving all the time! Check out https://calabro.io/uscope for a more detailed explanation. Thanks for taking a look!

    2025 · github.com

  10. 10GF

    I kept re-Googling the same flags, so I built a tiny, fast directory of copy-ready CLI commands. It’s static (vanilla JS), instant search, keyboard nav (↑/↓ + Enter), favorites (localStorage), and linkable queries. Examples: • grep errors → https://www.greppers.com/?q=grep%20error%20logs • list open ports (macOS) → https://www.greppers.com/?q=list%20open%20ports • show git branch graph → https://www.greppers.com/?q=git%20graph • tail with colors → https://www.greppers.com/?q=tail%20colors Tech notes: static site on Netlify, no…

    2025 · greppers.com

  11. 11AS
  12. 12IW

    My example based guide on JavaScript regular expressions is free to download through this weekend [1][2] Code snippets, exercises, sample chapters, etc are available on GitHub repo [3] You can also get the book as part of free bundle [4] [1] https://gumroad.com/l/js_regexp [2] https://leanpub.com/js_regexp [3] https://github.com/learnbyexample/learn_js_regexp [4] https://leanpub.com/b/regex

    2019

  13. 13GG

    Apr 2026 · github.com

  14. 14PP

    Hi everyone! I just released the Practical Python Projects book! (https://practicalpython.yasoob.me) I am happy to announce the first version as a release candidate. I have poured a lot of love into writing this book and would love to hear what you guys think. (A limited 100% off and discount coupons at the end) This is not a pure beginner book. The book does assume some background Python knowledge. You need to know the basics like methods, functions, classes, and such. If I use something that is not typically covered in beginner Python books, I will explain it before I use it.…

    2021 · practicalpython.yasoob.me

  15. 15HS

    Releasing ColGREP today, made using our open-source multi-vector database, it support grep like filtering while adding an extra input to rank output of grep based on semantic similarity. ColGREP is packed with strong code retrieval models we designed and run 100% locally.

    Feb 2026 · github.com

  16. 16IW

    Hello! This ebook aims to teach Linux command line tools and Shell Scripting for beginner to intermediate level users. The main focus is towards managing your files and performing text processing tasks. Includes plenty of examples, exercises (200+) and solutions. To celebrate my latest ebook release, you can download PDF/EPUB versions of Computing from the Command Line for FREE till 08-Nov-2022: https://learnbyexample.gumroad.com/l/cli_computing (the web version linked as the post url is always free) All books bundle (all my 13 programming ebooks) is $10 (normal…

    2022 · learnbyexample.github.io

  17. 17MS

    I have finally convinced my son to take a step forward to publish something in public domain. As he is learning Python these days, he made a scraper to download Cambridge past papers (GCSE / IGCSE). If you like it, encourage the kid by pressing the Star button :) https://github.com/UsamaKashif/CambridgePastPapersDownloader

    2019

  18. 18GB

    2019 · github.com

  19. 19HR

    Hey HN, As an afternoon project, I created a simple tool that generates regex expressions from plain text using GPT-3.5. It's designed to help anyone who needs to quickly create regex patterns without manually writing them. Already posted this last week, but I did some QOL improvements & fixed minor bugs I found.

    2024 · rgx.tools

  20. 20CO

    First tutorial to date. Writing your first C program, includes a link at the bottom with a detailed look at printf() as optional reading. I would love some feedback, as I intend writing up a lot of dev articles for people to learn from : www.xanthu.com/first-c-program

    2013

  21. 21LP

    Hi! I am doing a learning project, attempting to build an imperative language (and interpreter). The end product will be useless for others, I just want to learn and better understand how to build imperative languages. :) If someone else shares this interest and want to give some good hints on good resources I would be grateful. Currently I am looking at an awesome text by Bob Nystrom. All suggestions and tips on resources are most welcome. I am very much a beginner in this, but I find this topic very fascinating. Mail me or post links here! Cheers! You can try a beta version Online at…

    2020

  22. 22AF

    I was working on this for a year. More than 80 completely free videos alongside a free booklet for LPIC1 preparation or to be be used anyone who wants to learn more about GNU/Linux. Feedbacks are more than welcomed.

    2023 · linux1st.com

  23. 23AS

    Took a stab at building my own string diffing JS package. I built an interactive demo for TypeIt’s website (https://typeitjs.com/build-your-own) a while back. The approach I took to handle user input necessitated a way to calculate the difference between the versions of a user’s text input. I searched around for a package to help me out and found a couple of good ones (like fast-diff), but I either didn’t really like their API or didn’t want to take on a huge new dependency. Instead, I thought I’d give it a shot myself (famous last words). I dove into it having no real formal…

    2022

  24. 24MF

    Hey HN. I've just launched my very first webappp and would love your feedback. http://www.7bks.com It's a book list sharing website - kind of like playlists for bookworms. The site is built on pyton/appengine - and I learned to code in under 4 weeks to build the site. There's more details on the background of the site here: http://www.7bks.com/blog/179001 I've also published the full Python code for the site here: https://gist.github.com/670034 Feedback is really important to me and I want to work hard to make the site better so any and all suggestions are greatly appreciated. Contact…

    2010

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