macOS
Homebrew已验证 · 100%
brew install grexlocal Homebrew formula metadata
MacPorts已验证 · 94%
sudo port install grexMacPorts ports tree · textproc/grex/Portfile · 来源: api.github.com
安装
其他安装命令
Linux
Nix已验证 · 92%
nix profile install nixpkgs#grexnixpkgs package indexes · pkgs/by-name/gr/grex/package.nix · 来源: api.github.com
Arch Linux pacman已验证 · 92%
sudo pacman -S grexArch Linux sync databases · grex · 来源: geo.mirror.pkgbuild.com
openSUSE zypper已验证 · 92%
sudo zypper install grexopenSUSE Tumbleweed package metadata · grex · 来源: download.opensuse.org
Windows
Scoop已验证 · 92%
scoop install main/grexScoop official bucket manifest trees · bucket/grex.json · 来源: api.github.com
概览
软件包摘要
Command-line tool for generating regular expressions
历史
项目历史与用法
grex is a Rust command-line tool and library that generates regular expressions from user-provided test cases. It belongs to the developer-tooling tradition around regex synthesis: not replacing regex knowledge, but giving users a correct starting expression that can be inspected and refined.
项目历史
The README states that grex began as a Rust port of Devon Govett's JavaScript regexgen project after regexgen development had apparently ceased. Peter M. Stahl's project kept the regex-generation idea but used Rust's strengths for command-line tooling and expanded the feature set beyond the original port.
Official GitHub releases show public versioned releases starting with v0.1.0 on 2019-10-06, followed by v1.0.0 on 2020-02-02. Later releases added and refined library, CLI, Unicode, packaging, and binding surfaces, while the README presents grex as both a command-line executable and a Rust crate with Python bindings.
采用历史
grex reached package-manager users through the Rust ecosystem first, with crates.io as the upstream registry path, and through binary/package managers such as Homebrew, MacPorts, Scoop, Chocolatey, Huber, Nix, Arch, and openSUSE as reflected by the README and batch package facts. Its packaging surface is broad because it is a single CLI binary but also a reusable library.
使用方式
Users pass examples directly on the command line, from a file, or through a Unix pipeline. By default grex generates a specific expression that matches the supplied test cases; flags can generalize output by converting digits, whitespace, word characters, repeated substrings, anchors, groups, escaping, case sensitivity, verbosity, and colorized display.
The README cautions that generated expressions still need human understanding. That caveat is part of the tool's identity: grex is best used to bootstrap or audit a regex, not to remove the need to understand the target language and engine.
为什么软件包爱好者会关心
grex is package-nerd significant because it packages an algorithmic helper for one of the most common developer annoyances: turning examples into a regular expression. It is also a Rust CLI case study, distributed as source through cargo and as prebuilt binaries or package-manager formulas for users who do not want a Rust toolchain.
Its relationship to regexgen also makes it a small example of ecosystem migration: a JavaScript idea revived as a Rust CLI and library, then exposed through additional language bindings.
时间线
- 2019: v0.1.0 published in the official GitHub release feed.
- 2020: v1.0.0 published after several 0.x releases.
- 2021: v1.2.0 and v1.3.0 releases continued the 1.x line.
- 2022: v1.4.0 and v1.4.1 releases appeared.
- 2024: v1.4.5 published in the official GitHub release feed.
- 2025: v1.4.6 published with release assets for several operating-system and CPU targets.
Related projects
- regexgen is the JavaScript project that grex began by porting.
- Rust's regex crate is a stated compatibility target for generated expressions.
- grex-js is the related JavaScript/WebAssembly demo and library surface linked from the repository.
- crates.io, PyPI, Homebrew, MacPorts, Scoop, Chocolatey, and Huber are distribution surfaces named by upstream or batch package facts.
来源
安全态势
风险级别：绿色
narrow executable package without higher-risk signals.
风险分类器
绿色 风险 · 低 置信度 · appliance
原因
- narrow executable package without higher-risk signals
信号
- metadata:no-higher-risk-signals
安装行为
- 未记录 Homebrew bottle 元数据。
建议审查
在无人值守的代理使用前，请检查该工具是否读取明文凭据、写入远程状态、发布制品或调用插件。
可执行文件
已安装的可执行文件
| 命令 | 类型 | 暴露范围 | 备注 |
|---|---|---|---|
grex | 可执行文件 | 已索引可执行文件 | 从本地可执行文件索引发现。 |
新鲜度
版本和新鲜度
这些信号区分页生成时间、软件包管理器活动和上游发布比较。只有存在证据 URL 和可比较版本时，才会提示版本落后。
页面生成时间2026-08-03
管理器版本1.4.6
管理器更新时间2026-06-15
本地数据未知
上游不可用
检测到的最新版本未检测到
- OK没有生成新鲜度警告。
安装元数据
软件包元数据
| 软件包键 | brew:grex |
|---|---|
| 版本 | 1.4.6 |
| 软件包管理器 | Homebrew |
| 主页 | https://pemistahl.github.io/grex-js/ |
| 仓库 | https://github.com/pemistahl/grex |
| 最后更新 | 2026-06-15T10:20:17-04:00 |
| Pulse | updated |
| Bottle | 未记录 |
| 服务 | 未声明 |
源数据库匹配
其他软件包管理器记录
匹配项来自外部软件包管理器索引，并与本地 Automic Vault 软件包链接分开显示。
Nix95%
grex
nix profile install nixpkgs#grex- normalized package name match
- 匹配方式：Grex
pacman95%
grex 1.4.6-2
A command-line tool for generating regular expressions from user-provided input strings
https://github.com/pemistahl/grex
sudo pacman -S grex- License: Apache-2.0
- Architecture: x86_64
- 2 依赖
- normalized package name match
- 匹配方式：Grex
zypper95%
grex 1.4.6-1.4
CLI regex generator
https://github.com/pemistahl/grex
sudo zypper install grex- License: Apache-2.0 AND MPL-2.0 AND MIT AND (Apache-2.0 OR MIT) AND BSL-1.0 AND Apache-2.0 WITH LLVM-exception
- Category: Unspecified
- Architecture: x86_64
- Source Package: grex
- 3 依赖
- 2 提供
- normalized package name match
- 匹配方式：Grex
MacPorts95%
grex
sudo port install grex- normalized package name match
- 匹配方式：Grex
Scoop95%
main/grex
scoop install main/grex- normalized package name match
- 匹配方式：Grex
来源线索
由仓库数据生成
此页面由 av-web 从 scripts/generate-pkg-sqlite.py 生成的私有软件包 SQLite 工件提供。
Combined YAML source
View the package source record on GitHub.
使用的来源
- Geiger risk classifier
- cross-ecosystem install command graph
- curated package history
- external package-manager database matches
- pkg.so package database
- pkgdb category and tag curation