RegEx Tester
Online regular expression testing tool. Real-time match highlighting with common pattern library. All computation in your browser.
How to Use RegEx Tester
Enter a regular expression and test text. The tool highlights all matching results in real-time. Supports global matching, group capturing, and other common features.
FAQ
Which regex syntax is supported?
JavaScript standard regular expression syntax is supported, including groups, quantifiers, and assertions.
How does regex handle Chinese characters?
Unicode property escapes are supported for matching Chinese character ranges.