Regex Tester
正则表达式测试器
Test and debug regular expressions with real-time highlighting. 实时测试正则表达式并高亮匹配结果。
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Quick / 快捷:
Test String / 测试文本
Match Result / 匹配结果
What is this tool?
This regex tester lets you write and test regular expressions with real-time match highlighting. It supports JavaScript regex flags including global, case-insensitive and multiline modes.
Privacy
All processing happens locally in your browser. No data is transmitted.
FAQ
Which regex engine does this use?
This tool uses your browser's native JavaScript regex engine.
Is my data uploaded?
No. All matching happens locally in your browser.