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lastOrNull

kotlin-stdlib / kotlin.text / lastOrNull
Platform and version requirements: JVM (1.0), JS (1.0), Native (1.0) 
fun CharSequence.lastOrNull(): Char?

Returns the last character, or null if the char sequence is empty.

Platform and version requirements: JVM (1.0), JS (1.0), Native (1.0) 
inline fun CharSequence.lastOrNull(
    predicate: (Char) -> Boolean
): Char?

Returns the last character matching the given predicate, or null if no such character was found.

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Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.text/last-or-null.html