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Regex for URLs in Go
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regexs.md

Regexs

Quick reference for regexs in Golang that match common string patterns out there in the wild.

URLs

^(http:\/\/www\.|https:\/\/www\.|http:\/\/|https:\/\/|\/|\/\/)?[A-z0-9_-]*?[:]?[A-z0-9_-]*?[@]?[A-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(:[0-9]{1,5})?(\/.*)?$

Emails

^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$

^[a-z0-9._%+\-]+@[a-z0-9.\-]+\.[a-z]{2,4}$

Other References

https://github.com/lucasjones/reggen

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