isEmail

The following C# function returns true if the supplied inputEmail is a valid email address.

private static bool isEmail(string inputEmail)
{
  inputEmail =
NulltoString(inputEmail);
  string strRegex = @”^([a-zA-Z0-9_\-\.]+)@((\[[0-9]{1,3}” +
  @”\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([a-zA-Z0-9\-]+\” +
  @”.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$”;
  Regex re = new Regex(strRegex);
  if (re.IsMatch(inputEmail))
  return (true);
  else
  return (false);
}

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