eXorithm – Execute Algorithm: View / Run Algorithm validate_email

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function validate_email ($email
{
  if (preg_match"%^[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?$%i"$email))
    return true;
  else
    return false;