📑 正则表达式语法速查表Regex Syntax Cheatsheet
正则表达式语法速查表：字符类、量词、锚点、分组、断言、修饰符等，含示例说明。A regular-expression syntax cheatsheet: character classes, quantifiers, anchors, groups, lookarounds and flags.
点击任意一行，仅复制该行「语法」一栏的内容Click a row to copy only its Syntax value (not the whole row)
使用说明与常见问题How-to & FAQ
「正则表达式语法速查表」是什么？What is the Regex Syntax Cheatsheet tool?
正则表达式语法速查表：字符类、量词、锚点、分组、断言、修饰符等，含示例说明。A regular-expression syntax cheatsheet: character classes, quantifiers, anchors, groups, lookarounds and flags.
如何使用「正则表达式语法速查表」？How do I use the Regex Syntax Cheatsheet tool?
在「正则表达式语法速查表」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 Syntax Cheatsheet: Fill in or choose the options above and the result appears below instantly; everything runs locally in your browser.
代码或数据会被上传吗？Is my code or data uploaded?
不会。「正则表达式语法速查表」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 Syntax Cheatsheet runs entirely in local JavaScript, so it is safe for data containing keys or internal endpoints.
「正则表达式语法速查表」免费吗？需要注册吗？Is the Regex Syntax Cheatsheet free? Do I need an account?
「正则表达式语法速查表」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 Syntax Cheatsheet is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.