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toULongOrNull

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.

© 2010–2020 JetBrains s.r.o. and Kotlin Programming Language contributors
Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.text/to-u-long-or-null.html