regex-mastery

Writes and validates regex patterns with named groups and lookarounds.

Updated May 6, 2026
One-click install
npx skills add https://github.com/Abdullahmohammadaref/acar --skill regex-mastery-abdullahmohammadaref
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: regex-mastery
Source: https://github.com/Abdullahmohammadaref/acar/tree/main/.agents/skills/regex-mastery
Command: npx skills add https://github.com/Abdullahmohammadaref/acar --skill regex-mastery-abdullahmohammadaref

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Regular expressions are essential yet intricate patterns that are easy to misuse or overcomplicate. This skill provides structured guidance, best-practice patterns, and explanations to help write, validate, and optimize regex across languages.

Core Features & Use Cases

  • Write readable patterns with named capture groups and clear structure.
  • Debug, test, and optimize for performance to avoid catastrophic backtracking.
  • Apply across languages (JavaScript, Python, PCRE) for validation, extraction, and parsing tasks.
  • Use Case: quickly generate a tested regex to validate input, extract fields from logs, or reformat strings.

Quick Start

Describe a text pattern you want regex for and the skill will return a ready-to-use regex with explanations.

Frequently Asked Questions about regex-mastery

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I write a regex pattern with named capture groups for log parsing?

To write regex with named capture groups for log parsing, describe the text structure you need to match. The skill generates readable regex utilizing named groups and lookarounds to extract specific fields efficiently across JavaScript, Python, and PCRE.

What is the best way to debug regex catastrophic backtracking?

Debug regex catastrophic backtracking by testing and optimizing patterns for performance. This skill helps identify and resolve performance bottlenecks to avoid catastrophic backtracking while maintaining matching accuracy and readability.

Does this regex validation approach work across different programming languages?

Yes, this regex validation approach works across multiple languages. It applies pattern matching and validation universally across JavaScript, Python, and PCRE for extraction, validation, and parsing tasks with consistent results.

How do I validate text input using regex without overcomplicating the pattern?

Validate text input using regex by requesting a readable pattern for your specific validation rule. The skill provides structured guidance and best-practice patterns to keep validation regex simple, performant, and effective.

Why does my regex pattern fail to match multiline text correctly?

Regex patterns fail to match multiline text correctly often due to missing anchors or incorrect metacharacter usage. This skill helps debug and test regex patterns, providing explanations to ensure accurate matching across complex text structures.