RosettaCodeData/Task/Strip-control-codes-and-extended-characters-from-a-string/F-Sharp/strip-control-codes-and-extended-characters-from-a-string.fs
2023-07-01 13:44:08 -04:00

18 lines
728 B
FSharp

open System
let stripControl (arg:string) =
String(Array.filter (fun x -> not (Char.IsControl(x))) (arg.ToCharArray()))
//end stripControl
let stripExtended (arg:string) =
let numArr = Array.map (fun (x:char) -> Convert.ToUInt16(x)) (arg.ToCharArray()) in
String([|for num in numArr do if num >= 32us && num <= 126us then yield Convert.ToChar(num) |])
//end stripExtended
[<EntryPoint>]
let main args =
let test = "string of ☺☻♥♦⌂, may include control characters and other ilk.♫☼§►↔◄"
printfn "Original: %s" test
printfn "Stripped of controls: %s" (stripControl test)
printfn "Stripped of extended: %s" (stripExtended test)
0//main must return integer, much like in C/C++