dni.scala

case class Dni(src: String, parsed: String) {
  override def equals(obj: scala.Any): Boolean = obj match {
    case dni: Dni => dni.src == src || dni.parsed == parsed
    case dni: String => dni == src || dni == parsed
    case _ => false
  }

  override def toString: String = src
}

object Dni {
  private def parseDni(nit: String): String =
    nit.replaceAll("[a-zA-Z\\s-]", "")

  def apply(src: String): Dni = Dni(src, parseDni(src))
}