That is one nasty looking RegEx. Email address verification has become a bit easier recently, thanks to unicode support (IDNA [1]) and new TLDs. Basically, yo

That is one nasty looking RegEx. Email address verification has become a bit easier recently, thanks to unicode support (IDNA [1]) and new TLDs. Basically, you need to accept: almost-anything@almost-anything [1] https://tools.ietf.org/html/rfc3490 https://tools.ietf.org/html/rfc3490