kotlin-stdlib/kotlin.text/last

last

fun CharSequence.last(): Char(source)

Returns the last character.

Samples



import java.util.Locale


import kotlin.test.*
fun main() { 
   //sampleStart 
   val string = "Kotlin 1.4.0"
println(string.last()) // 0
println(string.last { it.isLetter() }) // n
println(string.lastOrNull { it > 'z' }) // null
// string.last { it > 'z' } //  will fail

val emptyString = ""
println(emptyString.lastOrNull()) // null
// emptyString.last() //  will fail 
   //sampleEnd
}

Throws

if the char sequence is empty.

inline fun CharSequence.last(predicate: (Char) -> Boolean): Char(source)

Returns the last character matching the given predicate.

Samples



import java.util.Locale


import kotlin.test.*
fun main() { 
   //sampleStart 
   val string = "Kotlin 1.4.0"
println(string.last()) // 0
println(string.last { it.isLetter() }) // n
println(string.lastOrNull { it > 'z' }) // null
// string.last { it > 'z' } //  will fail

val emptyString = ""
println(emptyString.lastOrNull()) // null
// emptyString.last() //  will fail 
   //sampleEnd
}

Throws

if no such character is found.