# re2c を Homebrew, apk, chocolatey, apt, dnf, MacPorts, Nix, pacman, zypper でインストール

re2c のインストール経路、実行ファイル、メタデータ、AI エージェント向けセキュリティノートを確認します。

## インストール

```sh
sudo av install brew:re2c
```

追加のインストールコマンド:

### macOS

- Homebrew (100%):

```sh
brew install re2c
```

  証拠: local Homebrew formula metadata

- MacPorts (94%):

```sh
sudo port install re2c
```

  証拠: MacPorts ports tree: devel/re2c/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1

### Linux

- apk (92%):

```sh
sudo apk add re2c
```

  証拠: Alpine Linux edge package indexes: re2c from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz

- Debian apt (92%):

```sh
sudo apt install re2c
```

  証拠: Debian stable package indexes: re2c from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz

- dnf (92%):

```sh
sudo dnf install re2c
```

  証拠: Fedora Rawhide package metadata: re2c from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst

- Nix (92%):

```sh
nix profile install nixpkgs#re2c
```

  証拠: nixpkgs package indexes: pkgs/by-name/re/re2c/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1

- pacman (92%):

```sh
sudo pacman -S re2c
```

  証拠: Arch Linux sync databases: re2c from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz

- zypper (92%):

```sh
sudo zypper install re2c
```

  証拠: openSUSE Tumbleweed package metadata: re2c from https://download.opensuse.org/tumbleweed/repo/oss/repodata/50b07339cb64c8ed4091bdbabddadc1ff5737b090e478818a195b40d8a3292861a879139b4a3987c31109699fde9fbf4a716367ddf4eef77da75f96e3193d6ed-primary.xml.zst

### Windows

- Chocolatey (92%):

```sh
choco install re2c
```

  証拠: Chocolatey community package catalog: re2c from http://community.chocolatey.org/api/v2/Packages?$filter=IsLatestVersion&$select=Id&$top=1000&$skiptoken='11','rambox'

## パッケージ情報

- **パッケージキー:** brew:re2c
- **パッケージマネージャ:** Homebrew
- **バージョン:** 4.5.1
- **ソース概要:** Generate C-based recognizers from regular expressions
- **ホームページ:** <https://re2c.org/>
- **リポジトリ:** <https://github.com/skvadrik/re2c>
- **生成日時:** 2026-08-03T19:37:03+00:00

## 実行可能ファイル

- re2c (エイリアス)
- re2d (エイリアス)
- re2go (エイリアス)
- re2hs (エイリアス)
- re2js (エイリアス)
- re2ocaml (エイリアス)
- re2py (エイリアス)
- re2rust (エイリアス)
- re2swift (エイリアス)
- re2v (エイリアス)
- re2zig (エイリアス)

## インストール挙動

- Bottle: 利用不可

## バージョンと鮮度

- ページ生成日: 2026-08-03
- マネージャ版: 4.5.1

## セキュリティノート

narrow executable package without higher-risk signals.

- **Geiger リスク:** グリーン / 低
- narrow executable package without higher-risk signals

## 他のパッケージマネージャ記録

- Debian apt - re2c - 4.1-1: normalized package name match | Debian stable package indexes: re2c from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | lexer generator for C, C++, Go, Java, Python, Rust, and others | https://re2c.org
- Nix - re2c: normalized package name match | nixpkgs package indexes: pkgs/by-name/re/re2c/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
- Ubuntu apt - re2c - 3.1-1build1: normalized package name match | Ubuntu 24.04 LTS package indexes: re2c from https://archive.ubuntu.com/ubuntu/dists/noble/main/binary-amd64/Packages.gz | lexer generator for C, C++, Go and Rust | https://re2c.org
- apk - re2c - 4.5.1-r0: normalized package name match | Alpine Linux edge package indexes: re2c from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz | Lexer generator for C, C++ and Go | https://re2c.org/
- apk - re2c-doc - 4.5.1-r0: normalized package name match | Alpine Linux edge package indexes: re2c-doc from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz | Lexer generator for C, C++ and Go (documentation) | https://re2c.org/
- dnf - re2c - 3.1-7.fc45: normalized package name match | Fedora Rawhide package metadata: re2c from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst | Tool for generating C, C++, and go recognizers from regular expressions | https://re2c.org/
- pacman - re2c - 4.5.1-1: normalized package name match | Arch Linux sync databases: re2c from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz | A tool for generating C-based recognizers from regular expressions | https://re2c.org
- zypper - re2c - 4.5.1-1.3: normalized package name match | openSUSE Tumbleweed package metadata: re2c from https://download.opensuse.org/tumbleweed/repo/oss/repodata/50b07339cb64c8ed4091bdbabddadc1ff5737b090e478818a195b40d8a3292861a879139b4a3987c31109699fde9fbf4a716367ddf4eef77da75f96e3193d6ed-primary.xml.zst | Tool for generating C-based recognizers from regular expressions | https://re2c.org/
- MacPorts - re2c: normalized package name match | MacPorts ports tree: devel/re2c/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1
- Chocolatey - re2c: normalized package name match | Chocolatey community package catalog: re2c from http://community.chocolatey.org/api/v2/Packages?$filter=IsLatestVersion&$select=Id&$top=1000&$skiptoken='11','rambox'


## Combined YAML source

View the package source record on GitHub. [combined/re2c.yml](https://github.com/mxcl/pkgdb/blob/main/combined/re2c.yml)


## ソース

- pkg.so package database
- Geiger risk classifier
- pkgdb category and tag curation
- external package-manager database matches
- cross-ecosystem install command graph