kotlin-stdlib/kotlin.text/firstOrNull

firstOrNull

fun CharSequence.firstOrNull(): Char?(source)

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

Since Kotlin

1.0
inline fun CharSequence.firstOrNull(predicate: (Char) -> Boolean): Char?(source)

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

Since Kotlin

1.0