kotlin-stdlib/kotlin.text/randomOrNull

randomOrNull

inline fun CharSequence.randomOrNull(): Char?(source)

Returns a random character from this char sequence, or null if this char sequence is empty.

Since Kotlin

1.4
fun CharSequence.randomOrNull(random: Random): Char?(source)

Returns a random character from this char sequence using the specified source of randomness, or null if this char sequence is empty.

Since Kotlin

1.4