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regex-expert

Craft, debug, and explain regular expressions across PCRE, JavaScript, Python, Rust, and Go.

Updated Mar 12, 2026
Search Tags:#testing#coding#explanation#regex#flavors#regular-expressions#pattern-debugging
One-click install
npx skills add https://github.com/thepradip/openfangclaw --skill regex-expert-thepradip
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: regex-expert
Source: https://github.com/thepradip/openfangclaw/tree/main/crates/openfang-skills/bundled/regex-expert
Command: npx skills add https://github.com/thepradip/openfangclaw --skill regex-expert-thepradip

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Regular expressions are powerful but easy to misfire: users struggle to craft correct, readable patterns and to reason about different engines. This skill provides clear guidance, explanations, and tested patterns to help you write robust regex solutions across flavors.

Core Features & Use Cases

  • Understand and explain regex patterns across flavors (PCRE, JavaScript, Python, Rust, Go) with plain-English guidance.
  • Create, test, and optimize patterns for common tasks like email, URLs, phone number, and date validation with flavor awareness.
  • Use practical examples and step-by-step explanations to debug failing matches and improve readability in codebases.

Quick Start

Provide a target flavor, a sample input, and ask for a crafted pattern accompanied by an explanation.

Frequently Asked Questions about regex-expert

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

FAQPage Schema
How do I write a regular expression for email validation that works across different engines?▼

Regular expressions for email validation differ across engines. This skill provides flavor-aware pattern crafting for PCRE, JavaScript, Python, Rust, and Go, delivering tested expressions with plain-English explanations and practical examples.

Why does my regex pattern fail to match phone numbers in JavaScript?▼

Regex pattern debugging requires analyzing engine-specific behavior. This skill helps debug failing matches by providing step-by-step explanations and practical guidance to identify pattern misfires and improve readability across flavors.

Can I use the same regular expression for URL validation in Python and Go?▼

Regular expressions are not always portable across flavors. This skill provides flavor-aware explanations and testable examples to help you understand pattern differences and create robust regex solutions for URL validation across Python, Go, and other engines.

What is the best way to understand and explain complex regex patterns in my codebase?▼

Understanding complex regex patterns requires breaking them down into plain-English guidance. This skill explains regular expressions across PCRE, JavaScript, Python, Rust, and Go, offering step-by-step reasoning to improve readability in codebases.

How do I optimize regex patterns for text processing and data validation tasks?▼

Optimizing regex patterns for data validation involves testing and refining expressions. This skill helps you create, test, and optimize regular expressions for common text processing tasks with flavor awareness and practical examples.

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