Regex Pattern Validator
by Timoranjes
Expert regex architect for building, auditing, and optimizing high-performance, ReDoS-safe patterns.
$5
· or 25 creditsSecure checkout via Stripe
Works with the AI tools you already use
About this skill
What it does
The Regex Pattern Validator is a specialized skill for developing, testing, and auditing regular expressions across multiple programming languages. It goes beyond simple string matching by providing deep performance analysis, ReDoS (Regular Expression Denial of Service) protection, and engine-specific compatibility checks.
Why use this skill
Writing regex is easy; writing safe, performant, and cross-platform regex is hard. This skill prevents production outages caused by catastrophic backtracking and ensures your patterns work identically in JavaScript, Python, Go, Java, and PCRE. It automates the tedious process of generating comprehensive test tables for happy paths, boundary cases, and malicious inputs.
Supported Engines & Tools
- Flavors: Full support for PCRE, JavaScript (ES6+), Python (re/regex), Go (regexp), and Java patterns.
- Security: Built-in auditing for ReDoS vulnerabilities like nested quantifiers and ambiguous alternations.
- Codebase Integration: Can scan your entire repository to find and audit existing regex patterns for risks.
- Library: Access to 30+ production-ready patterns for emails, URLs, semver, and more.
Details
How to install
Drop the file into your AI Agent. Works with Claude, Cursor, ChatGPT, and 20+ more.
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