ReCode

Regex Generator

Describe, Refine, and Battle-Test your Regular Expressions.

Pattern Description

Result

Awaiting Pattern Rules

Describe your target text pattern matching requirements in natural English to synthesize a bulletproof regular expression.

Hint: Add multiple custom Test Cases below to watch real-time matching highlights trigger instantly."

Create and Test Complex Regex Patterns with AI

Regex can be painful. Describe the pattern you want to match, and our tool will generate the expression for you, complete with a detailed explanation of how it works.

Key Features

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Pattern Explanation

Breaks down exactly what every character and quantifier in your regex is doing.

Live Testing

Test your generated regex against sample strings immediately within the tool.

Multi-language Syntax

Generates patterns compatible with JavaScript, Python, PHP, and more.

Frequently Asked Questions

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Is the regex tested for performance?
The AI aims for efficient patterns to avoid catastrophic backtracking issues.
Can it handle complex lookaheads?
Yes, it can generate advanced patterns including lookaheads, lookbehinds, and non-capturing groups.
What is the cheatsheet for if we ask the AI to generate the regex anyway?
So you can actually learn something...