email validation based on the restrictions for entering email adresses into a mongo db email field.

Attrape la famille ours

WIP

This regexp can be used to validate domain names in Golang. While it cannot enforce the 253 character limit (with optional trailing period not included) that can be easily done with a len(domain) <= 253 check. This can be used as-is in other languages, even with RE2 regex engine. Non-capturing grou...

Can be used to find all of the verbs in a golang format string. It will correctly extract verbs that would otherwise be specified by fmt.Sprintf, including their flags, width and precision. You can test it out on the fmt documentation, here: https://golang.org/pkg/fmt/