Grex Regex Generator From Test Cases

Quality score: 70/100 · Category: Dev Tools · Sub-category: scaffolders

lang:pythonlang:rusttype:generator

grex is a command-line tool and library that automatically generates regular expressions from user-provided test cases. Written in Rust with Python bindings, it produces the most specific regex that matches the given input, supporting Unicode 16.0, character class detection, quantifier notation, and case-insensitive matching.

What this skill does

Grex Regex Generator From Test Cases is a production-ready Claude Code skill (quality score 70/100) in the scaffolders sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/grex-regex-generator-from-test-cases/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Grex Regex Generator From Test Cases skill is built for developers, power users, and teams automating repetitive workflows and improving developer experience. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/grex-regex-generator-from-test-cases
curl -L https://claudskills.com/skills/grex-regex-generator-from-test-cases/SKILL.md \
  -o ~/.claude/skills/grex-regex-generator-from-test-cases/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/grex-regex-generator-from-test-cases/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/grex-regex-generator-from-test-cases/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\grex-regex-generator-from-test-cases\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

More Dev Tools skills

Browse all Dev Tools skills in the ClaudSkills registry, or explore these top-rated picks from the same category:

Browse all Dev Tools skills → Top 100 skills

Part of ClaudSkills — the open registry for Claude Code skills. · What's New · Install guide · About · llms.txt

Part of Acreator Store — Adam Lankamer's AI tools: GifPerfect · AspectPerfect · SlomoPerfect · Ucaption · UTagger · AutoXPoster · TestYourSkills