AI Regex Generator

Generate Regular Expressions using plain English descriptions powered by AI

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Describe Your Pattern

Pattern Description

Describe the pattern you want to match in plain English

How to Use This Tool

Using the AI Regex Generator is simple and straightforward:

Describe your pattern: Enter a plain English description of what you want to match. For example, "Match a valid Gmail address" or "Find phone numbers in US format".
Generate regex: Click the "Generate Regex" button and wait for the AI to create your pattern.
Copy and use: Copy the generated regex code and use it in your project. The explanation helps you understand how it works.
Test and refine: Test the regex with your data. If needed, modify your description and regenerate for better results.

Common Regex Patterns

Here are some common patterns you can generate with this tool. Simply describe what you need in the input field above.

Pattern Type	Example Description	Use Case
Email Address	"Match a valid Gmail address" or "Find email addresses"	Form validation, data extraction
Phone Number	"Match US phone numbers" or "Find phone numbers in format (XXX) XXX-XXXX"	Contact forms, data parsing
Date	"Match dates in MM/DD/YYYY format" or "Find dates in YYYY-MM-DD format"	Date validation, log parsing
URL	"Match valid URLs" or "Find HTTP and HTTPS URLs"	Link extraction, URL validation
Password	"Match strong passwords with 8+ characters, uppercase, lowercase, numbers, and symbols"	Password validation, security checks
Credit Card	"Match Visa credit card numbers" or "Find 16-digit credit card numbers"	Payment processing, data masking
IP Address	"Match IPv4 addresses" or "Find valid IP addresses"	Network configuration, log analysis
Postal Code	"Match US ZIP codes" or "Find 5-digit postal codes"	Address validation, shipping forms

About this tool

AI Regex Generator instantly creates Regular Expression patterns from plain English descriptions. Powered by Google Gemini AI, this tool helps developers, data analysts, and content creators generate complex regex patterns without memorizing syntax.

Simply describe your pattern (e.g., 'match valid email addresses' or 'find dates in MM/DD/YYYY format'), and receive a ready-to-use regex code with a clear explanation. Perfect for form validation, data extraction, text processing, and search pattern creation.

Frequently Asked Questions

How does the AI Regex Generator work?

You describe the pattern you want to match in plain English, and our AI (powered by Google Gemini) generates the corresponding Regular Expression code along with an explanation of how it works.

What can I use regex for?

Regular expressions are used for form validation, data extraction, text search and replace, pattern matching in code, email validation, phone number formatting, URL parsing, and much more.

Is the generated regex code accurate?

The AI generates regex patterns based on best practices, but you should always test them with your specific use case. The tool provides explanations to help you understand and modify the patterns if needed.

Can I use the regex in any programming language?

The generated regex patterns follow JavaScript/TypeScript syntax, which is compatible with most modern programming languages. Some languages may require minor syntax adjustments.

Is my data stored when using this tool?

Your pattern descriptions are sent to the AI API for processing, but they are not stored permanently. The generated regex code is processed and returned immediately.

What are some common regex patterns I can generate?

You can generate patterns for email validation, phone numbers, dates, URLs, passwords, credit cards, postal codes, IP addresses, and any custom text pattern you can describe.

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