All 305,250 crates, alphabetically

reg-analyzer-rsForensic library to analyze Registry artifacts using forensic-rs framework1,529MITParsing tools reg-indexLibrary to manage a registry index.27,018MIT OR Apache-2.0 reg-mapDerive volatile accesses to a register map and memory-mapped IO2,107MIT OR Apache-2.0Embedded developmentNo standard library reg-map-deriveImplementation detail (proc-macro) of the `reg-map` crate2,391MIT OR Apache-2.0 reg-uiRust Embedded GUI, Low-cast, Portable, and Fast GUI for Embedded Systems556Apache-2.0 reg-watcherA rust library for single instance application.3,847MIT reg_matchA match style regex tool.916non-standardText processing reg_match_macroHelper crate for reg_match1,153non-standardText processing regalia[WIP] A web framework built to remotely control hardware project1,715MIT regallocModular register allocation algorithms6,499,799Apache-2.0 WITH LLVM-exception regalloc2Backtracking register allocator inspired from IonMonkey40,074,912Apache-2.0 WITH LLVM-exception regashiiRead and write Regedit export files13,429MIT regastRegular expressions with first-class syntax and parse trees15MIT OR Apache-2.0Parsing toolsText processing regast-cliCommand-line interface for regast13MIT OR Apache-2.0Parsing toolsText processing regast-coreParse-tree matching backends for regast18MIT OR Apache-2.0Parsing toolsText processing regast-syntaxLossless syntax tree for the regast regular expression engine20MIT OR Apache-2.0Parsing toolsText processing regcA garbage collector that mixes Reference counting and mark sweeping17,190MIT OR Apache-2.0Memory management regcommsSupporting traits for crates created by regcommsgen569non-standardEmbedded development regcommsgenCode generator for peripherals with registers over embedded comms560non-standardEmbedded development regd-testingregd testing is a collection of utilities designed to simplify testing in regd projects.1,628Apache-2.0Development tools regecsRust Extended Generic ECS (REGECS)5,142BSD-3-ClauseGame developmentRust patterns regecs-codegenCode generation macros for REGECS3,975BSD-3-ClauseGame developmentRust patterns regectA cli tool to quickly test regular expressions14,722MIT regenA library and command-line tool for generating all strings matching a regular expression2,655MPL-2.0Command line utilities regen-langA language for defining languages7,972GPL-3.0-or-later regenboogA crate for color handling4,124AGPL-3.0-or-later regeneratorFuzzer/RNG seeded generation of arbitrary regular expressions3,865MIT regenerator-coreCore library for Regenerator 2000: state, disassembler, analyzer, commands, parsers, and exporter for 6502/Commodore binaries.91MIT OR Apache-2.0 regenerator-tuiTerminal User Interface (TUI) for Regenerator 2000 using ratatui.23MIT OR Apache-2.0 regenerator2000An interactive disassembler for the CPU 6502, focused mostly on Commodore 8-bit computers.848MIT OR Apache-2.0 regenerator2000-coreCore library for Regenerator 2000: state, disassembler, analyzer, commands, parsers, and exporter for 6502/Commodore binaries.589MIT OR Apache-2.0 regenerator2000-tuiTerminal User Interface (TUI) for Regenerator 2000 using ratatui.467MIT OR Apache-2.0 regentBitfields in Rust (DEPRECATED; use bilge instead)3,892MPL-2.0 regent-cell-typesPublic trait surface and wire-protocol types for the Regent cell-architecture substrate (pre-1.0; semver-stable when Fuse plus…149Apache-2.0ConcurrencyData structures regent-internalsInternal proc macros for the regent crate2,771MPL-2.0 regent-sdkMulti-paradigm configuration management system as a library442Apache-2.0Command line utilitiesConfiguration regesta-cliCommand-line publisher and verifier for the Regesta package registry draft.19AGPL-3.0-or-laterCommand line utilitiesDevelopment tools regetA simple recipe parser for html and json-ld with optional markdown support1,617MIT regexAn implementation of regular expressions for Rust. This implementation uses finite automata and guarantees linear time matching…998,843,123MIT OR Apache-2.0Text processing regex-anreRegex-anre is a full-featured, zero-dependency regular expression engine that supports both standard and ANRE regular expressions.1,923MPL-2.0 regex-automataAutomata construction and matching using regular expressions.1,078,232,028MIT OR Apache-2.0Text processing regex-bitesA lightweight regex engine that optimizes for binary size and compilation time.669,397MIT OR Apache-2.0 regex-bnfA deterministic parser for a BNF inspired syntax with regular expressions10,219MIT regex-bnf-macroThe proc-macro crate for regex-bnf9,571MIT regex-cacheLazy and cached regular expressions.10,274,930MIT regex-charclassManipulate and convert regex character classes.4,606MIT regex-chunkerIterate over the data in a `Read` type in a regular-expression-delimited way.5,014non-standardText processing regex-cliA command line tool for debugging, ad hoc benchmarking and generating regular expressions.7,931MIT OR Apache-2.0Text processing regex-cli-testA command line tool for testing against regex patterns.1,519MITCommand line utilitiesText processing regex-collection常用正则表达式合集4,905MIT OR Apache-2.0 regex-cursorregex fork that can search discontiguous haystacks228,412MIT OR Apache-2.0Text processing regex-decodeDecodes captures of a regular expression into Rust data types2,298MIT regex-dfa-genA proc_macro lexer generator. using `enum`-like syntax.3,852MIT regex-filteredEfficiently check an input against a large number of patterns7,523,086BSD-3-Clause regex-generatorpermettant la génération d'expressions régulières aléatoire en fonction d'une difficultée choisie.2,430MIT OR Apache-2.0 regex-intersectFind out if two regexes have a non-empty intersection20,543Apache-2.0 regex-lexerA regex-based lexer (tokenizer)20,567MIT OR Apache-2.0Parsing tools regex-lexer-lalrpopA regex-based lexer (tokenizer)5,274MIT OR Apache-2.0Parsing tools regex-liteA lightweight regex engine that optimizes for binary size and compilation time.147,624,005MIT OR Apache-2.0 regex-literaldelimited regular expression literals10,181MITText processing regex-macroA macro to generate a lazy regex expression200,388MIT OR Apache-2.0Rust patternsText processing regex-mapAssociative container where the keys are regular expressions.1,557MIT OR Apache-2.0 regex-melMélodium regex library11,684EUPL-1.2AsynchronousCompilers regex-mumuRegex tools plugin for the Lava language2,528MIT OR Apache-2.0Data structures regex-parseUsing regex strings, turn strings into structs!1,520MIT OR Apache-2.0 regex-parse-proc-macroUsing regex strings, turn strings into structs!1,865MIT OR Apache-2.0 regex-pii-rsRegex-only PII detector for emails, phones, SSNs, credit cards, and prefixed API keys. Rust port of pii-sentry. Zero deps.22MIT OR Apache-2.0Text processing regex-poolThread-safe reusable object pooling extracted from regex-automata.2,452MIT OR Apache-2.0 regex-rangecompile a numeric min/max range into the smallest matching regex source string37MITText processing regex-redosReDoS (catastrophic-backtracking) regex safety check42MITAlgorithmsText processing regex-rsSafe wrapper for [POSIX regular expressions API][regex-h] (provided by libc on POSIX-compliant OSes). Part of libnewsboat lib…3,964MIT regex-specificityA heuristic-based crate to calculate the specificity of a regular expression pattern against a specific string.36MITNo standard libraryText processing regex-splitAn implementation of split_inclusive for the regex crate.114,004MIT OR Apache-2.0Text processing regex-syntaxA regular expression parser.1,263,584,138MIT OR Apache-2.0 regex-testInfrastructure for testing regexes. You probably don't want to use this crate unless you're working on a regex implementation.57,165MIT OR Apache-2.0 regex-tokenizerA regex tokenizer3,059MITParsing tools regex-tokenizer-implA regex tokenizer-macro implementation2,429MIT regex-utilsRegex utilities, like enumerating all strings that match a regex1,546MIT regex2fatTurn your favourite regex into FAT321,719Unlicense regex_ansiANSI escape sequence regular expression (Rust port of ansi-regex behavior)344MITParsing toolsText processing regex_captureAuto implement FromStr trait for struct with regex capture1,458MIT OR Apache-2.0 regex_capturesHelper for extracting and converting regex capture groups8,672MIT OR Apache-2.0 regex_dfaA crate for turning regexes into DFAs.24,730MIT/Apache-2.0 regex_envA wrapper for Regex, useful for parsing .env files and getting values without them being loaded into the environment3,862Apache-2.0 regex_folder_macroGenerate code from regular expressions inside a folder with files ending in .re.3,147MIT regex_generateUse regular expressions to generate text.88,127MIT/Apache-2.0Text processing regex_macrosAn implementation of statically compiled regular expressions for Rust. Unless you specifically need compile time regular…262,284MIT/Apache-2.0 regex_minigrepA basic grep function1,897MIT regex_mutatorThe Nautilus regex_mutator53,935AGPL-3.0 regex_parserThis project provides a parser for standard regular expressions based on a defined grammar.1,794MIT regex_primeProvides a function to test whether a number is prime or not using regex2,746MIT regex_quote_fixerRewrites grep regexpressions for the use in the regex crate.10,728MIT regex_regexopSimple peliminary function that turns a regex into a comparable FTS search query.56MIT regex_routerAn implementation of request routing via a singular grouped regex (with support for path parameter extraction).4,572MITWeb programming regex_staticCompile-time validated regex, with convenience functions for lazy and static regexes.471,284Apache-2.0 OR MIT OR CC0-1.0 regex_static_implCompile-time validated regex, with convenience functions for lazy and static regexes.471,566Apache-2.0 OR MIT OR CC0-1.0 regex_static_macroCompile-time validated regex, with convenience functions for lazy and static regexes.470,725Apache-2.0 OR MIT OR CC0-1.0 regex_tryReplace methods for Regex propogating errors via Result.1,665MIT OR Apache-2.0 regex_withA Rust library providing procedural macros for regex-based parsing and validation of custom data types.2,343MIT regex_with_deriveA Rust library providing procedural macros for regex-based parsing and validation of custom data types.2,597MIT regexcplaceholder for a regex library1,126MIT OR Apache-2.0 regexgrepa simple ripgrep tool that suports regular expressions4,966MIT regexmA Rust macro for writing regex pattern matching.10,393MIT regexmlXPath compatible regex engine74,114Apache-2.0 OR MPL-2.0Text processing regexml-convert-perl-testsConvert Perl tests to Rust tests1,919Apache-2.0 OR MPL-2.0Command line utilitiesDevelopment tools regexml-ucd-blocksMaintain blocks.rs in regexml1,354Apache-2.0 OR MPL-2.0Command line utilitiesDevelopment tools regexnightCommand-line tool to print syntax-highlighted versions of regular expressions and spot errors2,620Apache-2.0Command line utilitiesDevelopment tools regexpRegular Expression27,215MIT regexp2rust_macroregexp(ecma262) to rust code macro7,395Apache-2.0 regexplA standalone version of `explore regex` from Nushell56non-standard regexprRegular expresions9,592MIT regexrA high-performance regex engine built from scratch with JIT compilation and SIMD acceleration17,613MIT OR Apache-2.0Parsing toolsText processing regexsolverManipulate regex and automaton as if they were sets.6,160MIT regexto-validatorsA zero-dependency collection of battle-tested regex patterns for Rust, backed by regex.to.41MIT regextrieHigh-performance Rust library designed for matching a large number of regular expressions against a given input string495non-standardAlgorithmsParsing tools regexyA simple and lightweight Rust library for working with regular expressions. The regexy crate provides an easy-to-use interface…2,149MIT OR Apache-2.0Text processing regfA Rust library for parsing, manipulating, and writing Windows Registry hive files (regf format)3,960MITFilesystemParsing tools reggiefast Windows registry search tool2,689GPL-3.0-or-later reggixRegex CLI game built in Rust.131MIT reggyfriendly, resumable regular expressions for text analytics5,345MIT regiRegi7,109MIT OR Apache-2.0 regi_objectRegi1,575MIT OR Apache-2.0 regicideTerminal CLI version of the Regicide cooperative card game14MIT regifaceA crate to ease development of interfacing with registers on embedded peripherals11,186MIT OR Apache-2.0 regiface-macrosThis crate implements the macros for the regiface crate4,724MIT OR Apache-2.0 regigigasRegistration system for game objects2,736MITGame development regimePlaceholder release reserving the `regime` crate name.10MIT OR Apache-2.0 reginaldRegister management1,593MIT OR Apache-2.0 regindexIndex &str with regex in Rust (experimental)6,279MIT reginleifThe core library of nolauncher.13,334Apache-2.0 reginleif-macroThe core library of nolauncher.12,050Apache-2.0 reginleif-utilsThe core library of nolauncher.10,670Apache-2.0 regioHigh level abstractions for register access of all sorts58MITEmbedded developmentHardware support regio-macroProc macros for regio140MIT regionCross-platform virtual memory API17,615,352MIT region-cnA lib to search chinese region by 6-digit administrative code with trier or search in place.12,804MIT region-proxyA CLI tool to create a SOCKS proxy through AWS EC2 in any region99MITCommand line utilitiesNetwork programming region_bufferA growable array allowing for multiple mutable non overlapping regions8,894MIT/Apache-2.0Data structures region_cachedAdds a logical layer of caching between processor L3 cache and main memory22,395MIT region_localIsolated variable storage per memory region, similar to `thread_local_rc!`22,406MIT region_quadtreeA lightweight Region Quadtree1,509Apache-2.0 regioncamVisualize linear regions in neural networks588MIT OR Apache-2.0 regionshttps://github.com/region-system5,024Apache-2.0 regista🎬 AI agent director — multi-provider, stack-agnostic pipeline399MITCommand line utilitiesDevelopment tools registerCommon interface for MMIO and CPU registers81,892MIT/Apache-2.0Embedded developmentHardware support register-actix-routesMacro designed to simplify the registration of routes in an Actix Web application1,234MIT register-bitsPerform register-bit manipulation which is verified at compile time6,313MITEncodingParsing tools register-countCounting `Register`s created by a `Counter`137,128MITAsynchronousNo standard library register-interfaceA register interface, bitfield and memory mapping library2,144MITEmbedded developmentHardware support register-machine-traitsTraits for register machines4,586CC0-1.0 register-macrosProcedural macros for the "registers" crate138MIT register_app_for_toastA crate that registers your commandline app for toast notifications, but only on Windows.692MIT OR Apache-2.0Operating systems::Windows APIs register_deriveHelper proc macro for the pac194x crate5,024MIT OR Apache-2.0 register_routesMacro designed to simplify the registration of routes in an Actix Web application777MIT registersA simple library for working with registers in Rust.61MITEmbedded developmentHardware support registorder-mapThis map guarantees the order of registration.1,999MIT registrarA client for domain registrar APIs like Porkbun and Name.com1,034MPL-2.0API bindingsWeb programming registrar-utildetector utils1,071MIT registryA safe wrapper for the Windows Registry API267,845MIT OR Apache-2.0API bindingsOperating systems registry-distroDistribution package for the registry service including scheduled scripts20,150Apache-2.0 registry-distro-testDistribution package for the registry service including scheduled scripts4,706Apache-2.0 registry-ioHigh-performance event/callback registry for Rust. Sync-first with optional async. Lock-free reads, zero-allocation hot path,…148Apache-2.0 OR MITAsynchronousConcurrency registry-polParser for the Windows Registry Policy File format3,559MITParser implementations registry-s3Interaction between pgtrunk.io and S3 for storing crate files1,525MIT OR Apache-2.0 registry-testA test crate for the registry1,121MIT registry-testkitA minimal, OCI-compliant container registry for testing and development918Apache-2.0Development tools::TestingWeb programming::HTTP server registry_apiRegistry API implementation for crates.io7,963MIT regitA simple utility to rewrite Git history1,541MIT regit-blackscholesZero-dependency Black-Scholes options pricing engine. Pure Rust.125Apache-2.0FinanceMathematics regit-covarianceCovariance matrix denoising for financial risk validation. Marchenko-Pastur filtering, Ledoit-Wolf shrinkage, detoning. Pure…95Apache-2.0FinanceMathematics regit-covariance-yahooYahoo Finance price + ISIN provider for the regit-covariance pipeline.50Apache-2.0API bindingsFinance regit-curvesAudit-grade interest-rate yield curve bootstrap and interpolation in pure Rust. Single- and multi-curve (OIS-discounted),…34Apache-2.0FinanceMathematics regit-daycountDay-count fractions and business-day calendars in pure Rust — Act/360, Act/365F, ActAct ISDA, ActAct ICMA, 30/360, 30E/360,…36Apache-2.0FinanceMathematics regit-identifiersSecurities identifier validation in pure Rust — ISIN, CUSIP, SEDOL, LEI, BIC, MIC, FIGI, CFI and national numbers. Check-digit…46Apache-2.0FinanceNo standard library::No dynamic allocation regit-sviArbitrage-free SVI volatility surfaces in pure Rust. Raw, Jump-Wings and SSVI parametrisations, calibration, and static-arbitrage…1,998Apache-2.0FinanceMathematics regiter_secretsA simple command line tool to register secrets for MitamatchOperations1,740MIT regitry-coderegitry-code 是一个使用 SM2、SM3 国密算法进行加密、解密和生成注册码、任务号、密码的类库4,358MIT regiusmarkRegius Mark core blockchain library.5,664MIT regixTODO: Write a package description1,698MIT regix-crates-ioTODO: Write a package description2,259MIT regix-npmTODO: Write a package description2,322MIT reglexA rust lexer generator using regex7,820MIT regmapmemory-mapped registers for amd641,6510BSD regmap-supportIn work!1,640Apache-2.0 OR MIT regmapsIn work!1,648Apache-2.0 OR MIT regmock-rsRegister mocking library to allow host unittests of embedded software, build on svd2pac.1,127MITDevelopment tools::TestingEmbedded development regnumhopefully my first game engine1,464MIT regnumassetsA crate for parsing game asset files from MMORPG Champions of Regnum2,648MIT regosome building blocks for creating simple web server4,203MIT OR Apache-2.0 regolith-powerdPower Settings Daemeon for Regolith Wayland Session7,040GPL-3.0+ regorusA fast, lightweight Rego (OPA policy language) interpreter1,529,593MIT AND Apache-2.0 AND BSD-3-Clause regorus-mimallocVendored mimalloc allocator for regorus80,802MIT regorus-mimalloc-sysVendored mimalloc C allocator bindings for regorus80,618MIT regorustRust bindings for the rego-cpp Rego compiler and interpreter9,579MIT regplaceRename files with regex1,792GPL-3.0+Command line utilitiesFilesystem regradA simple library to backpropagate gradients through a computation graph2,004MIT regrateBetter migrations using hashes for names instead of serial numbers or dates1,598MIT OR Apache-2.0 regredditA command line tool that deletes things from your Reddit account.4,283GPL-3.0-or-laterCommand line utilities regressA regular expression engine targeting EcmaScript syntax36,841,394MIT OR Apache-2.0 regress-coreCore analysis library for cargo-regress: binary parsing, symbol diff, classification, causal attribution91MIT OR Apache-2.0Development toolsParser implementations