kotlin-stdlib / kotlin.text / isLetterOrDigit

isLetterOrDigit

JVM

Native

1.0

fun Char.isLetterOrDigit(): Boolean

For JVM

Returns true if this character is a letter or digit.

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

fun main(args: Array<String>) {
//sampleStart
val chars = listOf('a', '1', '+')
val (letterOrDigitList, notLetterOrDigitList) = chars.partition { it.isLetterOrDigit() }
println(letterOrDigitList) // [a, 1]
println(notLetterOrDigitList) // [+]
//sampleEnd
}

For Native

Returns true if this character is a letter or digit.