AoC 2024 | Day 3 | Part 1

fun partOne() {
    println("[2024] Day three, part one...")
    val input = input()
    val regex = "mul\\(\\d+,\\d+\\)".toRegex()
    val validMuls = regex.findAll(input)
        .map {
            val values = it.value
                .substringAfter("(")
                .substringBeforeLast(")")
                .split(",")
                .map { it.toLong() }

            values[0] to values[1]
        }.toMutableList()

    val result = validMuls.sumOf { it.first * it.second }
    println("Result: $result")
}