dropLastWhile

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

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

import kotlin.test.*

fun main(args: Array<String>) {
//sampleStart
val chars = ('a'..'z').toList()
println(chars.drop(23)) // [x, y, z]
println(chars.dropLast(23)) // [a, b, c]
println(chars.dropWhile { it < 'x' }) // [x, y, z]
println(chars.dropLastWhile { it > 'c' }) // [a, b, c]
//sampleEnd
}
inline fun String.dropLastWhile(
    predicate: (Char) -> Boolean
): String
(source)

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

import kotlin.test.*

fun main(args: Array<String>) {
//sampleStart
val chars = ('a'..'z').toList()
println(chars.drop(23)) // [x, y, z]
println(chars.dropLast(23)) // [a, b, c]
println(chars.dropWhile { it < 'x' }) // [x, y, z]
println(chars.dropLastWhile { it > 'c' }) // [a, b, c]
//sampleEnd
}