code email regex if you need a very easy regex, to validate emails - here's some I wrote: ^((?P<localpart>([\w\-_]+)([\w\-_]+([\.]{1}[^\.\.]+))([\w\-_]+)) @(?P<domain>([\wäüö]+[\w\-\._äüö]+[\wäüö]+)) \.(?P<tld>([a-z]{2,6})))$