Regex Tester
Test and debug regular expressions with live match highlighting
//g
global
How to Use Regex Tester
- Enter your regular expression pattern in the pattern field.
- Toggle flags like g (global), i (case-insensitive), m (multiline) as needed.
- Paste the text you want to test in the test string area.
- Click Test Regex to see all matches highlighted with group details.
Key Features
- Live Highlighting - Matched portions are highlighted directly in your test string.
- Flag Toggles - Easily toggle global, insensitive, multiline, dotAll, and unicode flags.
- Capture Groups - View capture group contents for each match.
- Match List - See all matches with their index positions and copy all at once.
Frequently Asked Questions
What regex flavor does this use?
It uses JavaScript (ECMAScript) regular expression syntax.
Can I extract all matches?
Yes, enable the global (g) flag to find all matches and copy them all.