Test your regular expressions in real-time with full match highlighting, groups, and error detection. All processing happens locally with complete privacy.
Type your regular expression pattern in the input field. Use flags like 'g' (global), 'i' (case-insensitive), 'm' (multiline), etc. to modify matching behavior.
Enter or paste the text you want to test your regex against. You'll see real-time highlighting of matches as you type.
View detailed match information including positions, groups, and full match values. All processing happens instantly in your browser.
Copy your results to clipboard or clear all inputs to start fresh. Your data never leaves your browser.