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-2.2.1.12	tracks/kotlin/exercises/phone-number/src/example/kotlin/PhoneNumber.kt
trackler-2.2.1.11	tracks/kotlin/exercises/phone-number/src/example/kotlin/PhoneNumber.kt
trackler-2.2.1.10	tracks/kotlin/exercises/phone-number/src/example/kotlin/PhoneNumber.kt
trackler-2.2.1.9	tracks/kotlin/exercises/phone-number/src/example/kotlin/PhoneNumber.kt
trackler-2.2.1.8	tracks/kotlin/exercises/phone-number/src/example/kotlin/PhoneNumber.kt
trackler-2.2.1.7	tracks/kotlin/exercises/phone-number/src/example/kotlin/PhoneNumber.kt
trackler-2.2.1.6	tracks/kotlin/exercises/phone-number/src/example/kotlin/PhoneNumber.kt
trackler-2.2.1.5	tracks/kotlin/exercises/phone-number/src/example/kotlin/PhoneNumber.kt
trackler-2.2.1.4	tracks/kotlin/exercises/phone-number/src/example/kotlin/PhoneNumber.kt
trackler-2.2.1.3	tracks/kotlin/exercises/phone-number/src/example/kotlin/PhoneNumber.kt
trackler-2.2.1.2	tracks/kotlin/exercises/phone-number/src/example/kotlin/PhoneNumber.kt
trackler-2.2.1.1	tracks/kotlin/exercises/phone-number/src/example/kotlin/PhoneNumber.kt
trackler-2.2.1.0	tracks/kotlin/exercises/phone-number/src/example/kotlin/PhoneNumber.kt
trackler-2.2.0.6	tracks/kotlin/exercises/phone-number/src/example/kotlin/PhoneNumber.kt
trackler-2.2.0.5	tracks/kotlin/exercises/phone-number/src/example/kotlin/PhoneNumber.kt
trackler-2.2.0.4	tracks/kotlin/exercises/phone-number/src/example/kotlin/PhoneNumber.kt
trackler-2.2.0.3	tracks/kotlin/exercises/phone-number/src/example/kotlin/PhoneNumber.kt
trackler-2.2.0.2	tracks/kotlin/exercises/phone-number/src/example/kotlin/PhoneNumber.kt
trackler-2.2.0.1	tracks/kotlin/exercises/phone-number/src/example/kotlin/PhoneNumber.kt
trackler-2.2.0.0	tracks/kotlin/exercises/phone-number/src/example/kotlin/PhoneNumber.kt