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takeLastWhile

kotlin-stdlib / kotlin.text / takeLastWhile

Platform and version requirements: JVM (1.0), JS (1.0), Native (1.0)

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

Returns a subsequence of this char sequence containing last characters that satisfy the given predicate.

import kotlin.test.*

fun main(args: Array<String>) {
//sampleStart
val string = "<<<First Grade>>>"
println(string.take(8)) // <<<First
println(string.takeLast(8)) // Grade>>>
println(string.takeWhile { !it.isLetter() }) // <<<
println(string.takeLastWhile { !it.isLetter() }) // >>>
//sampleEnd
}

Platform and version requirements: JVM (1.0), JS (1.0), Native (1.0)

inline fun String.takeLastWhile(
    predicate: (Char) -> Boolean
): String

Returns a string containing last characters that satisfy the given predicate.

import kotlin.test.*

fun main(args: Array<String>) {
//sampleStart
val string = "<<<First Grade>>>"
println(string.take(8)) // <<<First
println(string.takeLast(8)) // Grade>>>
println(string.takeWhile { !it.isLetter() }) // <<<
println(string.takeLastWhile { !it.isLetter() }) // >>>
//sampleEnd
}

© 2010–2020 JetBrains s.r.o. and Kotlin Programming Language contributors
Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.text/take-last-while.html