Question

How to extract only words with first-letter lowercase from a string in Scala

Answer 1

object Main {
  // Function to extract words starting with lowercase
  def lowercaseWords(s: String): List[String] = {
    s.split("\\W+")
      .filter(w => w.nonEmpty && w.head.isLower)
      .toList
  }

  def main(args: Array[String]): Unit = {
    val s = "Scala java Rust python C CPP nodejs go"

    val result = lowercaseWords(s)

    result.foreach(println)
  }
}




/*
run:

java
python
nodejs
go

*/

 

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