Question

How to remove newlines from a string Scala

Answer 1

object RemoveNewlinesApp {
  def removeNewlines(s: String): String =
    s.filterNot(c => c == '\n' || c == '\r')

  def main(args: Array[String]): Unit = {
    val s = "c# \n  c c++  \n java python\ngo\n";
    val result = removeNewlines(s)
    
    println(result)
  }
}

  
  
  
/*
run:
  
c#   c c++   java pythongo
  
*/

 

 

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Answer 2

object RemoveNewlinesApp {
  def removeNewlines(s: String): String =
    s.split("\\s+").mkString(" ").trim

  def main(args: Array[String]): Unit = {
    val s = "c# \n  c c++  \n java python\ngo\n";
    val result = removeNewlines(s)
    
    println(result) // result without extra spaces
  }
}

  
  
/*
run:
  
c# c c++ java python go
  
*/

 

 

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