Question

How to trim punctuation in Scala

Answer 1

object TrimPunctuation_Scala {
  def main(args: Array[String]): Unit = {
    val array = Array(
      "scala!!!",
      "...c",
      "java,,,",
      "c++",
      "**python__",
      ".S.Q.L."
    )

    array.foreach(s => println(trimPunctuation(s)))
  }

  def trimPunctuation(s: String): String = {
    val charsToTrim = Set('*', '!', ',', '.', '_')
    
    s.dropWhile(charsToTrim.contains).reverse.dropWhile(charsToTrim.contains).reverse
  }
}




/*
run:
  
scala
c
java
c++
python
S.Q.L

*/

 

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