pyWhat
regex
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pyWhat | regex | |
---|---|---|
16 | 91 | |
6,292 | 3,308 | |
- | 1.5% | |
0.0 | 9.1 | |
5 months ago | 2 days ago | |
Python | Rust | |
MIT License | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
pyWhat
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Go Library like PyWhat?
Is there a library written in Go similar to PyWhat? I want to use a subset of the functionality for a simple go program I'm writing. I could just call PyWhat, link to lemmeknow, or even write a simple go implementation myself, but I wanted to ask if there was a pure go implementation. Thanks!
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lemmeknow v0.7.0 is here with support for identifying bytes with help of regex crate!
Lemmeknow is basically used for identifying text as mentioned in README and video. It is Rust implementation of PyWhat. You can see various usecases there too.
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lemmeknow - The fastest way to identify anything!
For rarity, we have got the database from pyWhat and the wiki says:
This project is inspired by PyWhat! Thanks to developer of it for the awesome idea <3 . Lemmeknow is blazingly faster than PyWhat btw ;)
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lemmeknow - the fastest way to identify anything!
This project was inspired by u/beesec 's pyWhat
- Tips for Making a Popular Open-Source Project in 2021 [Ultimate Guide]
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IT Pro Tuesday #155 - Carrier Lookup, Network Podcast, Identification Tool & More
pyWhat enables you to easily identify emails, IP addresses and more. Feed it a .pcap file or some mysterious text or hex of a file, and it will tell you what it is. The tool is recursive, so it can identify everything in text, files and more. A shout out to the tool's author for sharing his creation.
- Identify anything. pyWhat easily lets you identify emails, IP addresses, and more. Feed it a .pcap file or some text and it'll tell you what it is
- PyWhat: Identify Anything
regex
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Zed is now open source
The homepage has a benchmark that compares Zed's "insertion latency" to other editors, and this is the description:
> Open input.rs at the end of line 21 in rust-lang/regex. Type z 10 times, measure how long it takes for each z to display since hitting the z key.
Could someone clarify what that means? My interpretation of that was to go to https://github.com/rust-lang/regex/blob/master/regex-cli/arg... and start typing 'z' at the end of line 21, but that doesn't seem to make any sense. I guess that repo got refactored and those instructions are out of date?
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CryptoFlow: Building a secure and scalable system with Axum and SvelteKit - Part 3
We also used the avenue to sluggify the question title. We used regex to fish out and replace all occurrences of punctuation and symbol characters with an empty string and using the itertools crate, we joined the words back together into a single string, where each word is separated by a hyphen ("-").
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Command Line Rust is a great book
Command-Line Rust taught me how to use crates like clap, assert_cmd, and regex. I felt lost before because I didn't know about Rust's ecosystem--which is arguably as important as the language itself. Also, looking up and comparing libraries is a tiring task! blessed.rs is nice but Command-Line Rust really saved me from analysis paralysis.
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Common Rust Lifetime Misconceptions
burntsushi actually regrets making regex replace return a Cow: https://github.com/rust-lang/regex/issues/676#issuecomment-6.... I’m glad it does, and wish it took an impl Into> there, for the reasons discussed in the issue, but burntsushi has a lot more experience of the practical outcomes of this. Just something more to think about.
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Advent of Code 2023 is nigh
I'm not familiar with the AoC problem. You might be able to. But RegexSet doesn't give you match offsets.
You can drop down to regex-automata, which does let you do multi-regex search and it will tell you which patterns match[1]. The docs have an example of a simple lexer[2]. But... that will only give you non-overlapping matches.
You can drop down to an even lower level of abstraction and get multi-pattern overlapping matches[3], but it's awkward. The comment there explains that I had initially tried to provide a higher level API for it, but was unsure of what the semantics should be. Getting the starting position in particular is a bit of a wrinkle.
[1]: https://docs.rs/regex-automata/latest/regex_automata/meta/in...
[2]: https://docs.rs/regex-automata/latest/regex_automata/meta/st...
[3]: https://github.com/rust-lang/regex/blob/837fd85e79fac2a4ea64...
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Text Showdown: Gap Buffers vs. Ropes
It’s not quite that simple, but folks are working on it.
https://github.com/rust-lang/regex/issues/425#issuecomment-1...
https://github.com/helix-editor/helix/pull/211#issuecomment-...
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ScripterC - Rust-lang set
Dependencies used: - regex - unicode_reader - rust decimal - tokio
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Regex Engine Internals as a Library
https://www.cs.princeton.edu/courses/archive/fall19/cos226/l... and https://kean.blog/post/lets-build-regex are excellent introductions to implementing a (very) simplified regex engine: construct a nondetermistic finite state automaton for the regex, then perform a graph search on the resulting digraph; if the vertex corresponding to your end state is reachable, you have a match.
I think this exercise is valuable for anyone writing regexes to not only understand that there's less magic than one might think, but also to visualize a bunch of balls bouncing along an NFA - that bug you inevitably hit in production due to catastrophic backtracking now takes on a physical meaning!
Separately re: the OP, https://github.com/rust-lang/regex/issues/822 (and specifically BurntSushi's comment at the very end of the issue) adds really useful context to the paragraph in the OP about niche APIs: https://blog.burntsushi.net/regex-internals/#problem-request... - searching with multiple regexes simultaneously against a text is both incredibly complex and incredibly useful, and I can't wait to see what the community comes up with for this pattern!
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Some positive and negative comments after using rust for a while
Do you think this boilerplate is a good sign?
The ag/regex-automata branch for the regex crate: https://github.com/rust-lang/regex/tree/ag/regex-automata
What are some alternatives?
re2 - modern regular expression syntax everywhere with a painless upgrade path [Moved to: https://github.com/SonOfLilit/kleenexp]
node-re2 - node.js bindings for RE2: fast, safe alternative to backtracking regular expression engines.
zig - General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.
arkime - Arkime is an open source, large scale, full packet capturing, indexing, and database system.
ngrams - (Read-only) Generate n-grams
regex-benchmark - It's just a simple regex benchmark of different programming languages.
whatlang-rs - Natural language detection library for Rust. Try demo online: https://whatlang.org/
Fluent - Rust implementation of Project Fluent
rust - Rust for the xtensa architecture. Built in targets for the ESP32 and ESP8266
UNIC - UNIC: Unicode and Internationalization Crates for Rust
BruteShark - Network Analysis Tool
ripgrep - ripgrep recursively searches directories for a regex pattern while respecting your gitignore