Contents

module PhoneNumber

open System

let parsePhoneNumber (input: string) = 
    let digits = input.ToCharArray() |> Array.filter (Char.IsDigit) |> String

    match digits.Length with
    | 10 -> Some digits
    | 11 when digits.Chars 0 = '1' ->  Some (digits.Substring(1))
    | _ -> None

Version data entries

264 entries across 264 versions & 1 rubygems

Version	Path
trackler-2.1.0.28	tracks/fsharp/exercises/phone-number/Example.fs
trackler-2.1.0.27	tracks/fsharp/exercises/phone-number/Example.fs
trackler-2.1.0.26	tracks/fsharp/exercises/phone-number/Example.fs
trackler-2.1.0.25	tracks/fsharp/exercises/phone-number/Example.fs
trackler-2.1.0.24	tracks/fsharp/exercises/phone-number/Example.fs
trackler-2.1.0.23	tracks/fsharp/exercises/phone-number/Example.fs
trackler-2.1.0.22	tracks/fsharp/exercises/phone-number/Example.fs
trackler-2.1.0.21	tracks/fsharp/exercises/phone-number/Example.fs
trackler-2.1.0.20	tracks/fsharp/exercises/phone-number/Example.fs
trackler-2.1.0.19	tracks/fsharp/exercises/phone-number/Example.fs
trackler-2.1.0.18	tracks/fsharp/exercises/phone-number/Example.fs
trackler-2.1.0.17	tracks/fsharp/exercises/phone-number/Example.fs
trackler-2.1.0.16	tracks/fsharp/exercises/phone-number/Example.fs
trackler-2.1.0.15	tracks/fsharp/exercises/phone-number/Example.fs
trackler-2.1.0.14	tracks/fsharp/exercises/phone-number/Example.fs
trackler-2.1.0.13	tracks/fsharp/exercises/phone-number/Example.fs
trackler-2.1.0.12	tracks/fsharp/exercises/phone-number/Example.fs
trackler-2.1.0.11	tracks/fsharp/exercises/phone-number/Example.fs
trackler-2.1.0.10	tracks/fsharp/exercises/phone-number/Example.fs
trackler-2.1.0.9	tracks/fsharp/exercises/phone-number/Example.fs