kotlin-stdlib/kotlin.text/isISOControl

isISOControl

expect inline fun Char.isISOControl(): Boolean(source)

Returns true if this character is an ISO control character.

A character is considered to be an ISO control character if its category is CharCategory.CONTROL, meaning the Char is in the range '\u0000'..'\u001F' or in the range '\u007F'..'\u009F'.

Since Kotlin

1.0

Samples

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

fun main() { 
   //sampleStart 
   val chars = listOf('\u0000', '\u000E', '\u0009', '1', 'a')
val (isoControls, notIsoControls) = chars.partition { it.isISOControl() }
// some ISO-control char codes
println(isoControls.map(Char::code)) // [0, 14, 9]
// non-ISO-control chars
println(notIsoControls) // [1, a] 
   //sampleEnd
}