Contents

object WordCount {

    fun phrase(phrase: String): Map<String, Int> {
        val withoutPunctuation = phrase.toLowerCase().replace(Regex("[^\\w']"), " ").trim()

        val words = withoutPunctuation.split(Regex("\\s+"))

        val unquotedWords = words.map { word -> word.trim('\'') }

        val groupedWords = unquotedWords.groupBy { w -> w }

        return groupedWords.mapValues { it.value.size }
    }

}

Version data entries

126 entries across 126 versions & 1 rubygems

Version	Path
trackler-2.2.1.58	tracks/kotlin/exercises/word-count/.meta/src/reference/kotlin/WordCount.kt
trackler-2.2.1.57	tracks/kotlin/exercises/word-count/.meta/src/reference/kotlin/WordCount.kt
trackler-2.2.1.56	tracks/kotlin/exercises/word-count/.meta/src/reference/kotlin/WordCount.kt
trackler-2.2.1.55	tracks/kotlin/exercises/word-count/.meta/src/reference/kotlin/WordCount.kt
trackler-2.2.1.54	tracks/kotlin/exercises/word-count/.meta/src/reference/kotlin/WordCount.kt
trackler-2.2.1.53	tracks/kotlin/exercises/word-count/.meta/src/reference/kotlin/WordCount.kt