toBigDecimal

Parses the string as a java.math.BigDecimal number and returns the result.

inline fun String.toBigDecimal(): BigDecimal(source)

import java.math.BigDecimal

fun main() {
    val numberString = "9876.54321"
    val bigDecimal = numberString.toBigDecimal()
    println("BigDecimal value: $bigDecimal")  // prints: BigDecimal value: 9876.54321
}

Source