Question

How to move all special characters to the beginning of a string in Scala

Answer 1

object MoveSpecialChars {
  def moveSpecialCharactersToBeginning(s: String): String = {
    val (specials, chars) = s.partition(ch => !(ch.isLetterOrDigit || ch.isWhitespace))

    specials + chars
  }

  def main(args: Array[String]): Unit = {
    val s = "c++20$c&^java*(rust) php <>/python 3.14.2"
    
    println(moveSpecialCharactersToBeginning(s))
  }
}




/*
run:

++$&^*()<>/..c20cjavarust php python 3142

*/

 

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