Question

How to use regex to extract and count words from a string in Scala

Answer 1

import scala.util.matching.Regex

object Main extends App {
    val s = "scala c++ python php java"

    val words: Regex = "[^\\s]+".r

    val wordsList = words.findAllIn(s).toList
    println(s"Total words = ${wordsList.length}")

    println("\n\nWords list:")
    wordsList.foreach(println)
} 
    
    
    
/*
run:
    
Total words = 5


Words list:
scala
c++
python
php
java
    
*/

 

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