UnapplyObjectPatternMatching.scala

object Person {
  def apply(fullName: String) = fullName

  def unapply(fullName: String): Option[String] = {
    if (!fullName.isEmpty)
      Some(fullName.replaceAll("(?<=\\w)(\\w+)", "."))
    else
      None
  }
}



def extractors(person: Any): String = {
  person match {
    case Person(initials) => s"My initials are $initials"
    case _ => "Could not extract initials"
  }
}

val rupesh = Person("Rupesh T Raghavan")
println(extractors(rupesh)) //My initials are R. T R.