Question

How to extract uppercase characters (capital letters) from a string in Scala

Answer 1

object Main extends App {
  val s = "pSCdApqLxAzao"

  val uppercaseChars = s.toCharArray.filter(_.isUpper)

  println(uppercaseChars.mkString(", "))
}

  
  
     
/*
run:
     
S, C, A, L, A
     
*/

 

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