object Main extends App {
    val rPat="""\b(R\d{4})\b""".r.unanchored
    val pPat="""\b(P\.\d{2}\.\d{2}\.\d{2})\b""".r.unanchored
 
	val matcher= (s:String) => s match {case pPat(el)=> println(el) // print the P.25.01.25
		case rPat(el)=>println(el) // print R0100 
		case _ => println("no match")
	}
 
	val pSt=" P.25.01.21 - Hello whats going on?"
  	matcher(pSt)
  	val pSt2_bad=" CP.2334565.01124.212 - Hello whats going on?"
  	matcher(pSt2_bad)
  	val rSt= "R0010  test test 3,870" 
  	matcher(rSt)
  	val rSt2_bad = "CSR00105  test test 3,870" 
  	matcher(rSt2_bad)
}

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