isISOControl
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'.
import java.util.*
import kotlin.test.*
fun main(args: Array<String>) {
//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
}