Contents

data class PhoneNumber(private val rawNumber: String) {
    companion object {
        private val validationRegex = Regex("^1?([2-9]\\d{2}[2-9]\\d{6})$")
    }
    private val cleanedNumber = rawNumber.replace(Regex("[^\\d]"), "")

    val number = validationRegex.matchEntire(cleanedNumber)?.groupValues?.last() ?: throw IllegalArgumentException()
    val areaCode = number.substring(0, 3)
    val exchangeCode = number.substring(3, 6)
    val subscriberNumber = number.substring(6, 10)

    override fun toString() = "($areaCode) $exchangeCode-$subscriberNumber"
}

Version data entries

67 entries across 67 versions & 1 rubygems

Version	Path
trackler-2.2.1.52	tracks/kotlin/exercises/phone-number/.meta/src/reference/kotlin/PhoneNumber.kt
trackler-2.2.1.51	tracks/kotlin/exercises/phone-number/.meta/src/reference/kotlin/PhoneNumber.kt
trackler-2.2.1.50	tracks/kotlin/exercises/phone-number/.meta/src/reference/kotlin/PhoneNumber.kt
trackler-2.2.1.49	tracks/kotlin/exercises/phone-number/.meta/src/reference/kotlin/PhoneNumber.kt
trackler-2.2.1.48	tracks/kotlin/exercises/phone-number/.meta/src/reference/kotlin/PhoneNumber.kt
trackler-2.2.1.47	tracks/kotlin/exercises/phone-number/.meta/src/reference/kotlin/PhoneNumber.kt
trackler-2.2.1.46	tracks/kotlin/exercises/phone-number/.meta/src/reference/kotlin/PhoneNumber.kt
trackler-2.2.1.45	tracks/kotlin/exercises/phone-number/.meta/src/reference/kotlin/PhoneNumber.kt
trackler-2.2.1.44	tracks/kotlin/exercises/phone-number/.meta/src/reference/kotlin/PhoneNumber.kt
trackler-2.2.1.43	tracks/kotlin/exercises/phone-number/.meta/src/reference/kotlin/PhoneNumber.kt
trackler-2.2.1.42	tracks/kotlin/exercises/phone-number/.meta/src/reference/kotlin/PhoneNumber.kt
trackler-2.2.1.41	tracks/kotlin/exercises/phone-number/.meta/src/reference/kotlin/PhoneNumber.kt
trackler-2.2.1.40	tracks/kotlin/exercises/phone-number/.meta/src/reference/kotlin/PhoneNumber.kt
trackler-2.2.1.39	tracks/kotlin/exercises/phone-number/.meta/src/reference/kotlin/PhoneNumber.kt
trackler-2.2.1.38	tracks/kotlin/exercises/phone-number/.meta/src/reference/kotlin/PhoneNumber.kt
trackler-2.2.1.37	tracks/kotlin/exercises/phone-number/.meta/src/reference/kotlin/PhoneNumber.kt
trackler-2.2.1.36	tracks/kotlin/exercises/phone-number/.meta/src/reference/kotlin/PhoneNumber.kt
trackler-2.2.1.35	tracks/kotlin/exercises/phone-number/.meta/src/reference/kotlin/PhoneNumber.kt
trackler-2.2.1.34	tracks/kotlin/exercises/phone-number/.meta/src/reference/kotlin/PhoneNumber.kt
trackler-2.2.1.33	tracks/kotlin/exercises/phone-number/.meta/src/reference/kotlin/PhoneNumber.kt