kotlin-stdlib / kotlin.text / isTitleCase

isTitleCase

Common
JVM
JS
Native
1.0
fun Char.isTitleCase(): Boolean
(Common source) (JVM source) (JS source) (Native source)

Returns true if this character is a title case letter.

A character is considered to be a title case letter if its category is CharCategory.TITLECASE_LETTER.

import java.util.*
import kotlin.test.*

fun main(args: Array<String>) {
//sampleStart
val chars = listOf('Dž', 'Lj', 'Nj', 'Dz', '1', 'A', 'a', '+')
val (titleCases, notTitleCases) = chars.partition { it.isTitleCase() }
println(titleCases) // [Dž, Lj, Nj, Dz]
println(notTitleCases) // [1, A, a, +]
//sampleEnd
}