🔍 常用正则表达式大全Common Regular Expressions
常用正则表达式大全：手机号、邮箱、身份证、URL、IP、日期、中文、密码强度等，点击即可复制。A collection of common regular expressions — phone, email, ID card, URL, IP, date, Chinese, passwords — click to copy.
正则用于前端校验仅作辅助，关键校验应在后端进行。Regex front-end validation is advisory; do critical validation on the server.
点击任意一行，仅复制该行「正则表达式」一栏的内容Click a row to copy only its Pattern value (not the whole row)
使用说明与常见问题How-to & FAQ
「常用正则表达式大全」是什么？What is the Common Regular Expressions tool?
常用正则表达式大全：手机号、邮箱、身份证、URL、IP、日期、中文、密码强度等，点击即可复制。A collection of common regular expressions — phone, email, ID card, URL, IP, date, Chinese, passwords — click to copy.
如何使用「常用正则表达式大全」？How do I use the Common Regular Expressions tool?
在「常用正则表达式大全」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 Common Regular Expressions: Fill in or choose the options above and the result appears below instantly; everything runs locally in your browser.
这些正则能直接用吗？Can I use these directly?
可以，复制后根据你的语言稍作调整（如转义、修饰符）。校验中国手机号、身份证等规则可能随政策变化，使用前请核实。Yes — copy and adapt for your language (escaping, flags). Rules such as CN mobile/ID formats may change over time; verify before relying on them.
代码或数据会被上传吗？Is my code or data uploaded?
不会。「常用正则表达式大全」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 Common Regular Expressions runs entirely in local JavaScript, so it is safe for data containing keys or internal endpoints.
「常用正则表达式大全」免费吗？需要注册吗？Is the Common Regular Expressions free? Do I need an account?
「常用正则表达式大全」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 Common Regular Expressions is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.