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Build regular expressions v1.0.0

Use this resource to write, explain or debug a regular expression

New

  • 307 downloads
  • 112 likes
  • 183 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install regular-expression-building

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent breaks down each part of an expression: character classes, quantifiers, groups, lookarounds and flags. It provides a library of common patterns, such as emails, URLs, dates, phone numbers or log lines, and explains the result.

Mostly picked by

Updated November 2, 2026

Card for the “Build regular expressions” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • SKILL.md: building blocks, quantifiers, groups and lookarounds
  • SKILL.md: library of common patterns and flags

Good fit for

  • You validate a postcode or phone number format
  • You extract identifiers from logs

Not for

    Tags

    • regex
    • regular expressions
    • validation
    • extraction
    • patterns

    About

    You say

    “Write an expression that validates a five-digit French postcode.”

    Card for the “Build regular expressions” skill

    Skill published by community under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to write, explain or debug a regular expression
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md12 KB

    Origin and licence

    Listed unmodified

    Author
    community
    Source
    github.com/nickcrew/claude-cortex/tree/bb47af79ad3befe01ae01940fcf5f16e30a1b6df/skills/regex-master
    Licence
    MIT

    Notice

    « regex-master » (community, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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