Regex Tester正则表达式测试器
Test JavaScript regular expressions against sample text and inspect matches.用示例文本测试 JavaScript 正则表达式，并查看匹配结果。
Your files are processed entirely in your browser. Nothing is uploaded to any server.所有文件均在浏览器本地处理，不会上传到服务器。
About this tool工具说明
Test JavaScript regular expressions against sample text and inspect matches. Works directly in your browser - no software to install, no account required, completely free.用示例文本测试 JavaScript 正则表达式，并查看匹配结果。
FAQ常见问题
Which regex engine is used?
The tool uses your browser's JavaScript RegExp engine.
Can I use flags?
Yes. g, i, m, s, u and y flags are supported.
Is the text uploaded?
No. Matching runs locally in your browser.
使用哪个正则引擎？
使用浏览器内置的 JavaScript RegExp 引擎。
支持正则标志吗？
支持 g、i、m、s、u、y。
文本会上传吗？
不会，匹配过程在浏览器本地完成。
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