Dev tools · alternatives · 2026
24 alternatives to HackerSearch.io – GitHub search that supports RegExp
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. HackerSearch.io – GitHub search that supports RegExp launched in 2015; newer entries below may have overtaken it.
- 1
Regex Cheatsheet▲499A modern regular expression playground with live matching, visual railroad diagrams, rich notes, and easy sharing.
2020 · ihateregex.io · its alternatives →
- 2CS
2019 · codesearch.aelve.com · its alternatives →
- 3
Hi HN! I'm Jonathan and I built Hacker Search (https://hackersearch.net), a semantic search engine for Hacker News. Type a keyword or a description of what you're interested in, and you'll get top links from HN surfaced to you along with brief summaries. Unlike HN's otherwise very valuable search feature, Hacker Search doesn't require you to get your keywords exactly right. That's achieved by leveraging OpenAI's latest embedding models alongside more traditional indexes extracted from the scraped and cleaned up contents of the links. I think there are many more interesting things…
2024 · hackersearch.net · its alternatives →
- 4NI
2019 · nevod.nezaboodka.com · its alternatives →
- 5
Welcome to the fantastic world of nerdy regex fun!
2016 · regexcrossword.com · its alternatives →
- 6RW
2017 · regexly.chipto.io · its alternatives →
- 7HS
2017 · hacker-search.net · its alternatives →
- 8HR
2021 · hackerintro.com · its alternatives →
- 9
- 10SF
2016 · solveforall.com · its alternatives →
- 11
2018 · github.com · its alternatives →
- 12EO
2016 · search.spince.com · its alternatives →
- 13NM
Every product that allows usernames eventually ships the same broken solution. Someone adds a blacklist. Then a regex. Then another regex copied from StackOverflow. It works just long enough to ship, and then `admin`, `support`, city names, brand impersonation, and obvious slurs start leaking through anyway. Everyone knows it’s fragile, but it gets ignored because "it’s just usernames". I’ve had to rebuild this logic across multiple products, and I got tired of pretending it’s a solved problem. So I built *username.dev*, an API that answers a more useful question than "is this taken?" — it…
Dec 2025 · username.dev · its alternatives →
- 14
- 15
Happy to release FastPlaid, which aim to ease and accelerate ColBERT and ColPali retrieval
2025 · github.com · its alternatives →
- 16
Online regex tester and debugger with real-time match highlighting, detailed explanations, substitutions, unit tests, benchmarking, and code generation. Supports PCRE2, JavaScript, Python, Go, Java, .NET, Rust, POSIX ERE, and POSIX BRE.
2018 · regex101.com · its alternatives →
- 17
Are you a regular expression nerd? Challenge your friend to a Regex.
2025 · regex.jordandalton.com · its alternatives →
- 18
- 19TS
2013 · kbhpodhnfxl3clb4.onion.to · its alternatives →
- 20FK
2016 · freekeywordtool.net · its alternatives →
- 21
Remove HackerNews threads by regex (for use with https://www.tampermonkey.net/) - removeHackerNewsThreadsByRegex.js
2023 · gist.github.com · its alternatives →
- 22
- 23NJ
2017 · noisesearch.org · its alternatives →
- 24
Also compare
- Regex Cheatsheet alternatives
- Code search for Rust, Ruby, Haskell – with regex support alternatives
- Hacker Search – A semantic search engine for Hacker News alternatives
- Nevod is easier and faster than RegExp alternatives
- Regex Crossword alternatives
- Regexly – WYSIWYG Regex Playground for JavaScripters alternatives
Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →