🎯 Regex Tester
Test regular expressions live, with match highlighting and capture groups.
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🔒 Everything runs locally in your browser. Files and content are never uploaded.
About this tool
边打边测。匹配结果会在原文里高亮，捕获组单独列出。常用的 flags：g 全局、i 忽略大小写、m 多行、s 让 . 匹配换行、u 支持 Unicode。