Base-Email.yaml

---
EmailRegex: !simpleRegex
  def: (([-a-z0-9_\+\.]+)@([-a-z\d\.]+)\.([a-z\.]{2,6}))
IPv4Regex: !simpleRegex
  def: (?<ipv4>(\d{1,3}\.){3}\d{1,3})
NormalSuffixRegex: !simpleRegex
  def: (([0-9a-z][-]*[0-9a-z]*\.)+(?<tld>[a-z][\-a-z]{0,22}[a-z]))
EmailPrefix: !simpleRegex
  def: (?("")("".+?(?<!\\)"")|(([0-9a-z]((\.(?!\.))|[-!#\$%&'\*\+/=\?\^\{\}\|~\w])*)(?<=[0-9a-z])))
EmailSuffix: !nestedRegex
  def: (?(\[)(\[{IPv4Regex}\])|{NormalSuffixRegex})
  references: [ IPv4Regex, NormalSuffixRegex ]
EmailRegex2: !nestedRegex
  def: (({EmailPrefix})@({EmailSuffix}))
  references: [ EmailPrefix, EmailSuffix ]
# RFC 5322 w/ domains according to RFC 1035
RFC5322Regex: !simpleRegex
  def: \A(?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*|""(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*"")@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|\[(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?|[a-z0-9-]*[a-z0-9]:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])+)\])\z
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