Documentation
Complete Guide to RegexTester
Everything you need to know about using our regex testing platform effectively
Quick Start Guide
Get up and running with RegexTester in minutes
1. Enter Your Pattern
Start by entering your regular expression pattern in the main input field. The pattern will be validated in real-time.
[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}2. Add Test String
Enter the text you want to test against your regex pattern. Matches will be highlighted automatically.
user@example.com
test.email+tag@domain.co.ukReal-time Testing
See matches update instantly as you type
Flag Configuration
Configure global, multiline, and other regex flags
Export Results
Download your patterns and test results
First Steps
Follow these steps to get familiar with the interface
Ready to Start Testing?
Put your knowledge to practice with our powerful regex testing tools
Open Regex Tester