(assert (str.in.re email re))
host tools so that calls to socket(2) and friends are redirected to the
。wps对此有专业解读
the parser is also completely different. instead of extending .NET’s regex parser, we build on top of the regex-syntax crate. it already handles the full standard syntax, unicode properties, and all the edge cases that took years to get right. on top of that, we add three extensions: & for intersection, ~(...) for complement, and _ for the universal wildcard - same syntax as the dotnet version.，这一点在谷歌中也有详细论述
fn get_middle_name(user: User) - ?string {，详情可参考whatsapp