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Regex Master

Construct regex patterns from natural language with tests and explanations.

42|1|Updated Mar 17, 2026
Search Tags:#testing#optimization#explanation#regex#flavors#pattern-building#regex-debugging
One-click install
npx skills add https://github.com/rar-file/surf --skill regex-master-rar-file
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: Regex Master
Source: https://github.com/rar-file/surf/tree/main/skills/regex_master
Command: npx skills add https://github.com/rar-file/surf --skill regex-master-rar-file

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Design and debugging of regular expressions can be time-consuming and error-prone. This Skill helps you craft correct patterns, understand their parts, and verify behavior with explanations and test cases.

Core Features & Use Cases

  • Pattern construction from natural language descriptions
  • Regex debugging — explain why a pattern doesn't match expected input
  • Flavor conversions and performance tips
  • Named groups, lookarounds, and advanced constructs

Quick Start

Provide a natural language description of the regex you need, and the skill will generate a readable pattern, explanations, and test cases.

Frequently Asked Questions about Regex Master

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

FAQPage Schema
How do I generate a regex pattern from a natural language description?▼

Regex pattern generation from natural language descriptions produces a readable pattern, an explanation of each component, and test cases with sample matches and anti-matches to verify correctness.

Why does my regex pattern not match the expected input?▼

Regex debugging explains why a pattern fails to match expected input by breaking down each component, verifying behavior with test cases, and identifying mismatches in constructs like named groups or lookarounds.

Does this regex tool work with Python, JavaScript, and PCRE flavors?▼

Regex patterns can be applied and converted across Python, JavaScript, and PCRE flavors, ensuring compatibility for validation, extraction, and text transformation tasks in multiple programming environments.

How do I write regex patterns with named groups and lookarounds?▼

Advanced regex constructs like named groups and lookarounds are constructed from natural language descriptions, providing readable patterns with explanations and test cases to verify their behavior.

What is the best way to optimize regex performance and convert between flavors?▼

Regex optimization and flavor conversion provide performance tips and translate patterns between Python, JavaScript, and PCRE, ensuring correct validation and extraction behavior across environments.

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