regex-patterns

Validate, parse, and extract text using regex patterns across JavaScript, Python, Go, and CLI engines.

Updated Apr 1, 2026
One-click install
npx skills add https://github.com/dz07/goku-skills --skill regex-patterns-dz07
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: regex-patterns
Source: https://github.com/dz07/goku-skills/tree/main/skills/regex-patterns
Command: npx skills add https://github.com/dz07/goku-skills --skill regex-patterns-dz07

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Practical regular expression patterns across languages help developers validate, parse, and extract data from text with speed and accuracy.

Core Features & Use Cases

  • Cross-language pattern catalog for common validation tasks (emails, URLs, dates) and data extraction.
  • Quick-reference coverage for JavaScript, Python, Go, and CLI regex engines.
  • Use Case: Extract all emails from text or validate input formats in data processing pipelines.

Quick Start

Test an email and a URL against the provided patterns to see results immediately.

Frequently Asked Questions about regex-patterns

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

FAQPage Schema
How do I extract emails and URLs from text using regex patterns?

Regex patterns extract emails and URLs from text by matching common input formats. This Skill provides a cross-language catalog to validate and parse data extraction targets in real-world text processing scenarios.

Can I use the same regex pattern for validation in JavaScript, Python, and Go?

Yes, the same regex validation patterns apply across JavaScript, Python, and Go. The Skill supports cross-language usage by covering PCRE and RE2-style syntax for consistent input validation.

What is the best way to validate common input formats in data processing pipelines?

Validating common input formats in data processing pipelines is best handled by applying targeted regex patterns. This Skill supplies cross-language references to quickly validate dates, emails, and URLs.

Does this regex pattern catalog support PCRE and RE2 syntax?

Yes, the regex pattern catalog supports both PCRE and RE2-style syntax. It requires familiarity with JavaScript, Python, Go, and CLI regex engines to ensure correct pattern application.

Why does my regex pattern work in Python but fail in Go?

Regex patterns fail in Go because its RE2 engine omits backtracking and lookarounds found in PCRE. This Skill clarifies cross-language syntax differences to prevent validation mismatches.

How do I quickly test an email regex pattern against text?

To test an email regex pattern against text, use the Quick Start feature to input your data and view results immediately. This validates the pattern's accuracy before pipeline deployment.