Glenn-Hosted

AI Regex Builder

Name: AI Regex Builder & Tester (Free)
Author: Glenn Guilloux

Describe the pattern you want to match in plain English. Get a working regex with live testing, match highlighting, and a step-by-step explanation.

Describe Your Pattern

Quick examples:

Email addresses URLs US phone numbers Dates (YYYY-MM-DD) Hex color codes IPv4 addresses

Be specific about what to include and exclude.

global (g) case-insensitive (i) multiline (m) dotAll (s)

Test Your Regex

Matches are highlighted in real-time as you type.

Regex Result

Your regex pattern will appear here

Describe a pattern and click Build Regex

Test results will appear here

Add test text on the left to see matches