Lib.rs

regex

regular expressions for Rust. This implementation uses finite automata and guarantees linear time matching on all inputs.

fancy-regex

regexes, supporting a relatively rich set of features, including backreferences and look-around. Aims to be compatible with Oniguruma syntax when the relevant flag is set.

lazy-regex

lazy static regular expressions checked at compile time

onig

Rust-Onig is a set of Rust bindings for the Oniguruma regular expression library. Oniguruma is a modern regex library with support for multiple character encodings and regex syntaxes.

wax

Opinionated and portable globs that can be matched against paths and directory trees

regress

A regular expression engine targeting EcmaScript syntax

globwalk

Glob-matched recursive file system walking

grok

popular Java & Ruby grok library which allows easy text and log file processing with composable patterns

sscanf

(inverse of format!()) macro with near unlimited parsing capabilities

rand_regex

Generates random strings and byte strings matching a regex

grex

grex generates regular expressions from user-provided test cases

choose

A human-friendly and fast alternative to cut and (sometimes) awk

parse-display

Procedural macro to implement Display and FromStr using common settings

glob-match

An extremely fast glob matcher

globset

Cross platform single glob and glob set matching. Glob set matching is the process of matching one or more glob patterns against a single candidate path simultaneously, and returning all of the globs that matched.

pitchfork-cli

Daemons with DX

tmux-snaglord

A TUI application to make copying terminal history from tmux easier

matchers

Regex matching on character and byte streams

s3find

A command line utility to walk an Amazon S3 hierarchy. s3find is an analog of find for Amazon S3

nomino

Batch rename utility for developers

fdf

A fast, multi-threaded filesystem search tool with regex/glob support and extremely pretty colours!

regex-anre

full-featured, zero-dependency regular expression engine that supports both standard and ANRE regular expressions

omnilinter

General purpose bulk linter

treegrep

regex pattern matcher that displays results in a tree structure with an interface to jump to matched text

gst-plugin-regex

GStreamer Regular Expression Plugin

rexile

A blazing-fast regex engine with 22x faster compilation and optimized case-insensitive matching

i3im

extends the standard functionality of the i3 and Sway window managers

lade

Automatically load secrets from your preferred vault as environment variables, and clear them once your shell command is over

resharp-grep

recursive grep with boolean constraints and regex intersection

pleaser

please, a polite regex-first sudo alternative

ferroni

Pure-Rust Oniguruma regex engine with SIMD-accelerated search

simple-string-patterns

Makes it easier to match, split and extract strings in Rust without regular expressions. The parallel string-patterns crate provides extensions to work with regular expressions via the Regex library

recast-cli

Safe, atomic, transparent multi-file text rewrites — regex / Rhai script / tree-sitter modes, two-phase commit with rollback, agent-friendly JSON output

neure

A fast little combinational parsing library

minifind

minimal find reimplementation

grep-regex

Use Rust's regex library with the 'grep' crate

grit-lib

Core library for the grit Git implementation

grep-searcher

Fast line oriented regex searching as a library

cols

Smart adaptive formatting of columnar data

regexr

A high-performance regex engine built from scratch with JIT compilation and SIMD acceleration

rnr

command-line tool to rename multiple files and directories that supports regular expressions

rho-agent

AI coding agent with file tools

qndx-cli

CLI entrypoints for qndx (index/search/bench/report)

egui_logger

log implementation for egui

ib-matcher

A multilingual, flexible and fast string, glob and regex matcher. Support 拼音匹配 (Chinese pinyin match) and ローマ字検索 (Japanese romaji match).

igrepper

The interactive grepper

aki-gsub

substitude text command, replace via regex

onig-regset

Rust-Onig is a set of Rust bindings for the Oniguruma regular expression library. Oniguruma is a modern regex library with support for multiple character encodings and regex syntaxes.

ren-find

Rename files from find results

ripgrep

line-oriented search tool that recursively searches the current directory for a regex pattern while respecting gitignore rules. ripgrep has first class support on Windows, macOS and Linux.

rsigma-convert

Sigma rule conversion engine — convert rules to backend-native query strings

handlr-regex

Fork of handlr with regex support

parse_that

Zero-copy parser combinator library for Rust

scanit

A fast, multi-threaded filesystem search tool

arborium-regex

Regular Expression grammar for arborium (tree-sitter bindings)

fnmatch-regex

Convert a glob-style pattern to a regular expression

reformat

Command-line tool for text and file reformatting

grep-matcher

A trait for regular expressions, with a focus on line oriented search

fuzzy-regex

High-performance fuzzy regular expression engine combining regex with Damerau-Levenshtein distance

rusty_regex

A regex engine where geometric algebra is the execution engine

gkill

pomsky

A new regular expression language

pipa-js

A fast, minimal ES2023 JavaScript runtime built in Rust

tyrx

Typed, ergonomic regular expression library

tower_allowed_hosts

tower allowed hosts layer

rudof_rdf

RDF data shapes implementation in Rust

cjc-lexer

Tokenizer for the CJC programming language

pcre2

High level wrapper library for PCRE2

sbnf

A BNF-style language for writing sublime-syntax files

blockwatch

Language agnostic linter that keeps your code and documentation in sync and valid

gnurx-sys

Regular expression functionality from glibc extracted into a separate library, for Win32

grep

Fast line oriented regex searching as a library

detect

Expression-based file search combining name, content, metadata, and structured data predicates

hyperscan

bindings for Rust with Multiple Pattern and Streaming Scan

csd

A super-fast search-and-replace tool for files

posix-regex

parsing POSIX regular expressions

forgejo-commit-path-rules

Enforce consistency between commit messages and file changes in your repository

qndx-core

Shared types, file format definitions, hashing, and IDs for qndx

lorikeet

a parallel test runner for devops

commonregex

Rust port for CommonRegex. Find all times, dates, links, phone numbers, emails, ip addresses, prices, hex colors, and credit card numbers in a string. We did the hard work so you don't have to.

recast-core

Engine behind the recast CLI: regex / Rhai script / tree-sitter rewrites, atomic two-phase commit, schema-locked JSON output

swc_ecma_regexp_visit

Visitor for ECMAScript regular expressions

smart-patcher

Patcher based on rules

regex-literal

delimited regular expression literals

gatekpr-patterns

Regex pattern registry and pre-built pattern sets for Shopify validation

fail2ban-rs

A pure-Rust fail2ban replacement. Single static binary, fast two-phase matching, nftables/iptables firewall backends.

scrump-detect

Detection engine for scrump (regex + entropy)

splitby

Split text by a regex delimiter — a powerful, multi-threaded alternative to cut

rep-grep

wgrep/write-grep CLI

perg

A fast, feature-rich text search tool similar to grep, written in Rust

pff

pf filter - parse Nginx access.log for unwanted regexp patterns, and block them on the PF firewall

wot-network

Data structures for OpenPGP Web of Trust calculations

discli

A CLI tool for Discord with send, listen, and AI response modes

spangrep

Grep out a spam of lines

rustscout-cli

High-performance, concurrent code search CLI tool

li_rudof_rdf

RDF data shapes implementation in Rust

bulk-rename-rs

A powerful bulk file renaming tool and library with regex support, Python scripting, and transactional safety

fcnt

cmd-line tool for counting the number of files in given directories

glob-match-ultra

An extremely fast glob matcher

owl-write

A TUI for managing your writing

pred-recdec

Predicated Recursive Descent Parsing with BNF and impure hooks

rex-redaction

Sensitive data redaction utilities for REX

geoipsed

Inline decoration of IPv4 and IPv6 address geolocations

regect

A cli tool to quickly test regular expressions

anaxa-builder

A modern native Rust configuration management system

regex-filtered

Efficiently check an input against a large number of patterns

stash-clipboard

Wayland clipboard manager with fast persistent history and multi-media support

talecast

CLI podcatcher

lune-std-regex

Lune standard library - RegEx

string-patterns

Makes it easier to work with common string patterns and regular expressions in Rust, adding convenient regex match and replace methods (pattern_match and pattern_replace) to the standard…

cloakpipe-core

Core detection, pseudonymization, and rehydration engine for CloakPipe

cctr

CLI Corpus Test Runner

qndx-query

Regex decomposition, candidate planner, and verifier for qndx

deterministic_automata

A framework for implementing deterministic and mutation automata with arbitrary state complexity

drainlib

DRAIN log parsing algorithm

autour_core

AUTOmata Utilities and Representation (AUTOUR) is a small toolbox to experiment with various kinds of automata and draw them

naenae

Monitor external command output and send Discord webhook notifications

perl-regex

Regex parsing and validation helpers for Perl syntax

frankensearch-lexical

Tantivy BM25 full-text search integration for frankensearch

fff-query-parser

Query parser for fff file finder - includes specific syntax for various constraints like globs, extensions, regex etc

csep

Cosine Similarity Embeddings Print

dbmcp-pii

PII analyzer and anonymizer for dbmcp

multimatch

Multi-pattern matching engine — Aho-Corasick + regex with optional Hyperscan SIMD acceleration

vectorscan-rs

Ergonomic bindings to the Vectorscan high-performance regex library

pidgin

non-recursive grammars

enderecobr_rs

Esta biblioteca tem por objetivo prover de funções utilizadas para padronizar endereços brasileiros, afim de facilitar processamentos posteriores

seqex

Regex-like pattern matching for arbitrary sequences using predicate functions

oniongen-rs

A v3 .onion vanity URL generator written in Rust

parlex

Core support library for parsers and lexers generated by parlex-gen

inpt

A derive crate for dumb type-level text parsing

codescan

Fast, configurable source code security scanner

swc_ecma_regexp

ECMAScript regular expressions

ripsed-cli

CLI binary for ripsed

rrn

batch rename files/dirs by regex

cljrs-builtins

Built-in function implementations for clojurust (arithmetic, collections, I/O, regex)

ripsed

Bulk find-and-replace engine — regex, literal, multi-file, atomic writes

ogex

A regex engine with unified syntax for named groups and backreferences

yara-x-parser

A parsing library for YARA rules

psmatcher

A pub/sub matcher algorithm implementation

yara-x-cli

A command-line interface for YARA-X

git-credential-store-regex

A Git credential helper that provides credentials by matching attributes against regular expressions

from-singleton

FromSoftware singleton manipulation library

tokmat

Standalone high-performance Canadian address parsing engine core

tasty

A CLI that runs API tests defined and grouped in TOML files

highlite

A fast, rule-based CLI highlighter for stdin and files

regex-lexer

A regex-based lexer (tokenizer)

reggix

Regex CLI game built in Rust

zen-expression

Zen Expression Language

lade-sdk

Lade SDK

bnf_rules

LR(1) parser generator

re-x

AI-native regex CLI — Test, validate, explain. Built for coding agents.

lextrail-test

constraining language model outputs to follow CFG, REGEX and JSON (experimental)

rustik-highlight

Rustik code highlighter

strling

core library - Next-gen string pattern DSL & compiler for Rust

onig_sys

onig_sys crate contains raw rust bindings to the oniguruma library. This crate exposes a set of unsafe functions which can then be used by other crates to create safe wrappers around Oniguruma…

twitch-hunter

that looks for specific regex patterns in Twitch chat messages

riji

Scripting environment using rhai

urouter

Small HTTP router

skylet-http-router

HTTP routing with regex pattern matching for plugin-provided API endpoints

ui-grid-core

Rust engine for ui-grid

regex_regexop

peliminary function that turns a regex into a comparable FTS search query

lera-trigram

A trigram-based regex optimization library inspired by PostgreSQL's pg_trgm

sift-core

Indexed regex search over codebases (library + grep-like CLI)

bitutils2

A package of tools for bit manipulations, including bit indexing, bitfields, and a variation of regular expressions for binary data

crossandra

A fast and simple lexical tokenization library

swc_ecma_regexp_ast

AST definitions of ECMAScript regular expressions

async-regex

Empower regex with streaming capabilities - high-performance async streaming pattern search using regex for multi-byte pattern matching in data streams

loc

Count lines of code (cloc) fast

fastripgrep

Fast regex search with sparse n-gram indexing — faster than ripgrep on every pattern type

aex-scanner

Content inspection pipeline for Agent Exchange Protocol (AEX): size, magic-bytes, EICAR, regex prompt-injection

iregex

Intermediate representation for Regular Expressions

regex-pool

Thread-safe reusable object pooling extracted from regex-automata

repr

The regular-expression-as-linear-logic interpretation and its implementation

rsomics-gff-grep

Filter GFF/GTF features by attribute regex — extract genes by name

rsomics-fasta-grep

Filter FASTA records by name regex — seqkit grep equivalent for FASTA

rsomics-vcf-grep

Filter VCF variants by ID or INFO regex

mlua-stdlib

Standard library bindings for mlua

rust-regex-dsl

Regular expression DSL

dfajit

JIT compilation of DFA transition tables to native x86_64 jump tables

ansi-escape-sequences

High-performance Rust library for detecting, matching, and processing ANSI escape sequences in terminal text with zero-allocation static regex patterns

lflog

Query log files with SQL using DataFusion and regex pattern macros

limbo_regexp

Limbo regexp extension

treesitter-types-regex

Pre-generated strongly-typed AST types for Regex (tree-sitter-regex)

tre-regex

Rust safe bindings to the TRE regex module

regexpr

Regular expresions

ere

A compile-time alternative for POSIX extended regular expressions

commented

If you want to comment a line for an unknown file type, this crate is what you want

argan

A web framework for Rust

tree-parser

An asynchronous Rust library for parsing source code and searching constructs

sedregex

Sed-like regex library

ld-lucivy-common

common traits and utility functions used by multiple lucivy subcrates

vyre-std

Vyre standard library: GPU DFA assembly pipeline, Aho-Corasick construction, and compositional arithmetic helpers

lera_regexop

peliminary function that turns a regex into a comparable FTS search query

hayai

(速い) — generic fast-match engine with pluggable normalizers and prefilters

teloxide-plugins

Smart plugin system for Teloxide bots

redgex

regex library

smt-str

working with SMT-LIB strings in Rust

maybe-regex

Wrapper for strings that may be either a regex or a plain-text string

regexpl

A standalone version of explore regex from Nushell

resharp-parser

regex pattern parser for resharp

grox

Command-line tool that searches for regex matches in a file tree

ld-lucivy-bitpacker

Lucivy-sub crate: bitpacking

formatparse-core

Core Rust library for parsing strings using Python format() syntax (no Python bindings)

ld-lucivy-stacker

term hashmap used for indexing

ctreg

Compile-time regular expressions the way they were always meant to be

aclneko

caitsith policy abstract

ctf-pwn

Pwn utilities for Rust

loghew

A TUI log viewer

rrename

" Opinionated tool to rename files in batch. Match regular expression, replace some characters I consider noise to kebab case

device-detector-rs

Rust port of Matomo's device-detector — parses User-Agent strings into bot/OS/client/device info using the Matomo YAML regex database

phonet

A CLI tool and library to validate phonotactic patterns for constructed languages

pomsky-syntax

Parser for pomsky, a new regular expression language

parlex-gen

Lexer generator ALEX and parser generator ASLR

use-pattern

Feature-gated facade crate for RustUse pattern helpers

weggli-ruleset

Ruleset managment/matching/reporting for weggli patterns

parlex-calc

Parlex example: simple calculator

recap

Deserialize typed structures from regex captures

ised

An interactive tool for find-and-replace across many files

ezstr

A String wrapper supporting negative indexing with grapheme indexing for slices and Regex::find_iter and Regex::find

rsre-lua

lua bindings for the rust regex crate

klieo-pii-patterns

Shared PII detection patterns (regex source strings) consumed by klieo-ops and klieo-ops-evidence-verify

grammartec

The Nautilus grammartec

regexsolver

Manipulate regex and automaton as if they were sets

sqlite-regex

A SQLite extension for working with regular expressions

env-yoink

CLI tool for effortless extraction of environment variables from source code, supporting regex and language presets

envish

Search for environment variables

regex-cache

Lazy and cached regular expressions

yara-x-capi

A C API for the YARA-X library

quantifier

Pattern matching of generic types, similar to regex quantifiers

pag-lexer

Parser-lexer fusion generator (derivative lexer)

text_utils_s

edit array. Example delete duplicate in array. Clear string

pomsky-bin

Compile pomsky expressions, a new regular expression language

synaptic-eval

Evaluation: ExactMatch, JsonValidity, Regex, EmbeddingDistance, LLMJudge evaluators

lig-rs

lig is a multipattern regex matching tool

relux-ir

Internal: IR types and lowering for Relux. No semver guarantees.

re2

Wrapper for the re2 C++ regex library

relux-lexer

Internal: lexer for Relux. No semver guarantees.

flexlint

A flexible linter with rules defined by regular expression

grep-cli

search oriented command line applications

starship-profiles

Wrapper program to add multi-profile support to starship prompt

radixmap

Rust-based Radix Tree for fast prefix lookup, supporting named param, glob, regex

repatch

A regex find-and-replace tool with a git add --patch-like interface

regex_folder_macro

Generate code from regular expressions inside a folder with files ending in .re

ecl-stages

Built-in stage implementations for ECL pipeline runner

automata

standard finite state automata such as DFA, NFA, Regex

pink_accents

Replacement of patterns in string to simulate speech accents