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Top 23 Rust Grep Projects
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ripgrep
ripgrep recursively searches directories for a regex pattern while respecting your gitignore
Project mention: Biff is a command line datetime Swiss army knife | news.ycombinator.com | 2026-05-27I'm the author of Biff. I just wanted to leave a really cool example of something that Biff can do that I _think_ is kinda hard to do otherwise. (And also, I want to make an assertion about it and I hope this will lead to me being wrong and learning something new.)
The use case is: "I want to see a list of all files in a repository, sorted in ascending order of when it was most recently changed according to source control. I also want to highlight the time with color, make it be in local time and format it in my own bespoke way using strftime." Here's the full command (run from the root of https://github.com/BurntSushi/ripgrep):
$ git ls-files \ -
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The previous post covered how we structured the codebase: Effect conventions, ast-grep enforcement, Drift, and CLAUDE.md to collaborate with Claude Code. You describe what you want, review the output, iterate. That works well. This post is about what happens when you step away entirely: giving the agent a list of issues and letting it work through them while you do something else. In autonomous mode, there's no mid-session correction. Anything the enforcement layer doesn't catch compounds across commits which is why clean issue tracking, issue review and end-of-session QA matter more, not less.
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srgn
A grep-like tool which understands source code syntax and allows for manipulation in addition to search
Project mention: Srgn – A grep-like tool which understands source code syntax | news.ycombinator.com | 2026-02-12 -
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Project mention: Is Grep All You Need? How Agent Harnesses Reshape Agentic Search | news.ycombinator.com | 2026-06-09
Combining regex filtering with semantic ranking using multi-vector embeddings has yielded good results for me. I use ColGREP from the LightOn team asa daily driver - https://github.com/lightonai/next-plaid/blob/main/colgrep/RE...
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so_stupid_search
It's my honor to drive you fucking fire faster, to have more time with your Family and Sunshine.This tool is for those who often want to search for a string Deeply into a directory in Recursive mode, but not with the great tools: grep, ack, ripgrep .........every thing should be Small, Thin, Fast, Lazy....without Think and Remember too much ...一个工具最大的价值不是它有多少功能,而是它能够让你以多快的速度达成所愿......
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Project mention: Ripgrep is faster than {grep, ag, Git grep, ucg, pt, sift} | news.ycombinator.com | 2026-03-24
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trigrep
Indexed regex search for large codebases, powered by trigram / sparse n‑gram indexes. A grep-like CLI that builds a local on-disk index, so searches stay fast even on huge monorepos.
Project mention: Trigrep – indexed regex search in Rust with CLI | news.ycombinator.com | 2026-03-23 -
Project mention: F* file system – file search that reads SSD directly bypassing OS kernel | news.ycombinator.com | 2026-06-21
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hypergrep
A better grep for AI agents. Structural search, call graphs, impact analysis, semantic compression. 87% fewer tokens. 16 languages. Built in Rust. (by marjoballabani)
Project mention: Your AI Agent Wastes 87% of Its Tokens Just Finding Code. I Fixed That. | dev.to | 2026-03-29So I built Hypergrep. And the plumber now has a floor plan.
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fastripgrep
FRG — Fast Rip Grep. Faster than ripgrep on every pattern type using sparse n-gram indexing. 5x faster selective search, 100% match parity.
Project mention: Show HN: FRG – code search with sparse n-gram indexing (beats ripgrep on regex) | news.ycombinator.com | 2026-03-24 -
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Rust Grep discussion
Rust Grep related posts
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The future of code search is not regex – 100x faster than ripgre
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Ripgrep is faster than {grep, ag, Git grep, ucg, pt, sift}
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Trigrep – indexed regex search in Rust with CLI
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A semantic Code Search CLI but with grep filters
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ColGREP: Semantic code search for your terminal and your coding agents
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Rust Errors Without Dependencies
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A somewhat faster, more lightweight, ripgrep-inspired alternative
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A note from our sponsor - SaaSHub
www.saashub.com | 20 Jul 2026
Index
What are some of the best open-source Grep projects in Rust? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | ripgrep | 66,296 |
| 2 | ast-grep | 15,107 |
| 3 | television | 6,096 |
| 4 | amber | 951 |
| 5 | srgn | 906 |
| 6 | sig | 755 |
| 7 | teip | 597 |
| 8 | next-plaid | 517 |
| 9 | hgrep | 517 |
| 10 | fltr | 387 |
| 11 | so_stupid_search | 178 |
| 12 | grip-grab | 137 |
| 13 | bogrep | 104 |
| 14 | zeitgrep | 67 |
| 15 | grepq | 59 |
| 16 | ngrep | 47 |
| 17 | trigrep | 45 |
| 18 | rawgrep | 29 |
| 19 | hypergrep | 18 |
| 20 | fgr | 18 |
| 21 | fastripgrep | 13 |
| 22 | perg | 13 |
| 23 | parsm | 11 |