regex

Develop and validate regex patterns for text matching and extraction.

3|Updated Feb 6, 2026
One-click install
npx skills add https://github.com/1Mangesh1/dev-skills-collection --skill regex
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: regex
Source: https://github.com/1Mangesh1/dev-skills-collection/tree/main/skills/regex
Command: npx skills add https://github.com/1Mangesh1/dev-skills-collection --skill regex

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

Regex enables fast, repeatable text matching, extraction, and validation across languages, reducing manual trial-and-error in data parsing and form validation.

Core Features & Use Cases

  • Pattern creation, validation, and data extraction for emails, URLs, dates, and logs
  • Cross-language patterns with common recipes and syntax references
  • Testing and experimentation with built-in examples and ready-to-run tests

Quick Start

Create a regex to validate an email address and test it against sample text.

Frequently Asked Questions about regex

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

FAQPage Schema
How do I validate an email address or phone number using regex?

Regex validation for emails and phone numbers is achieved by developing and testing specific patterns against sample text to ensure accurate data extraction and form validation.

What is the best way to parse logs and extract text patterns?

Parsing logs and extracting text patterns involves creating targeted regex patterns to isolate specific data points, reducing manual trial-and-error in data parsing workflows.

Can I use regex patterns for URL detection and date extraction across different programming languages?

Regex patterns for URL detection and date extraction support cross-language compatibility, providing common recipes and syntax references that work across multiple languages and platforms.

How do I test regex patterns against sample input before deploying them?

Testing regex patterns against sample input utilizes a built-in testing helper and ready-to-run tests to verify pattern behavior and ensure accurate text matching prior to deployment.

Why does my regex pattern fail to match text in certain log formats?

Regex pattern matching failures in log formats often occur due to syntax discrepancies or flavor differences, which can be identified using provided syntax references and experimentation tools.