Regex Tester
Test regular expressions against sample text with flags, highlighted matches, and captured group output. Built for developers who need quick regex debugging.
Regex Pattern
Test JavaScript regular expressions with flags, match previews, and captured groups.
Quick Tips
- Use `g` for multiple matches.
- Use `i` for case-insensitive matching.
- Use parentheses `()` to capture groups.
Status
Valid
Flags
gi
Matches
2
Highlighted Preview
Match Details
Ad Space - auto
A Daily Driver For Developers
Regex syntax is powerful but easy to forget. This page targets high-repeat developer queries like regex tester, regular expression tester, and javascript regex tester, making it a practical utility rather than static reference content.
Regex Tester FAQ
What does this regex tester support?
This tool tests JavaScript regular expressions with pattern flags, multiple matches, highlighted previews, and captured group output.
Can I test global regex matches?
Yes. Add the g flag to test multiple matches across the entire input string.
Is this regex tester private?
Yes. Everything runs in your browser and the test text is not uploaded anywhere.