# Regular expressions

###### tags: `Study`

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## Summary

[正規表示式 Regular Expression](https://atedev.wordpress.com/2007/11/23/%E6%AD%A3%E8%A6%8F%E8%A1%A8%E7%A4%BA%E5%BC%8F-regular-expression/)

[Regular Expression C++ library](https://en.cppreference.com/w/cpp/regex)

[使用 Regular Expression 驗證密碼複雜度](https://blog.miniasp.com/post/2008/05/09/Using-Regular-Expression-to-validate-password)

[Password validation](https://stackoverflow.com/questions/19605150/regex-for-password-must-contain-at-least-eight-characters-at-least-one-number-a)

[線上測試平台](https://regex101.com/)