🧪 正则表达式测试Regex Tester
在线测试 JavaScript 正则表达式,实时高亮匹配结果并显示分组。Test JavaScript regular expressions with live match highlighting and groups.
使用说明与常见问题How-to & FAQ
「正则表达式测试」是什么?What is the Regex Tester?
在线测试 JavaScript 正则表达式,实时高亮匹配结果并显示分组。Test JavaScript regular expressions with live match highlighting and groups.
如何使用「正则表达式测试」?How do I use the Regex Tester?
在「正则表达式测试」中,在上方填写或选择所需内容,结果会实时显示在下方;所有处理都在浏览器本地完成。In the Regex Tester: Fill in or choose the options above and the result appears below instantly; everything runs locally in your browser.
支持哪些修饰符?Which flags are supported?
g(全局)、i(忽略大小写)、m(多行)、s(点匹配换行)、u(Unicode)等 JavaScript 修饰符。JavaScript flags: g, i, m, s, u, y.
代码或数据会被上传吗?Is my code or data uploaded?
不会。「正则表达式测试」完全用 JavaScript 在本地运行,适合处理含有密钥、内部接口等敏感内容的数据。No. The Regex Tester runs entirely in local JavaScript, so it is safe for data containing keys or internal endpoints.
「正则表达式测试」免费吗?需要注册吗?Is the Regex Tester free? Do I need an account?
「正则表达式测试」完全免费,无需注册或安装,打开网页即可使用,手机和电脑都能用;输入的内容只在你的浏览器本地处理。The Regex Tester is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.