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firstOrNull

Platform and version requirements: JVM (1.0), JS (1.0), Native (1.0)
fun CharSequence.firstOrNull(): Char?

Returns the first 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.firstOrNull(
    predicate: (Char) -> Boolean
): Char?

Returns the first character matching the given predicate, or null if character was not found.

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