Platform and version requirements: JVM (1.3), JS (1.3), Native (1.3)

@ExperimentalUnsignedTypes fun String.toULongOrNull(): ULong?

Parses the string as an ULong number and returns the result or null if the string is not a valid representation of a number.

Platform and version requirements: JVM (1.3), JS (1.3), Native (1.3)

@ExperimentalUnsignedTypes fun String.toULongOrNull(
    radix: Int
): ULong?

Parses the string as an ULong number and returns the result or null if the string is not a valid representation of a number.

Exceptions

IllegalArgumentException - when radix is not a valid radix for string to number conversion.