mirror of
https://github.com/Smaug123/dotnet-classical-ciphers
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14 lines
348 B
Forth
14 lines
348 B
Forth
namespace CipherSuite.Test
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[<RequireQualifiedAccess>]
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module String =
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let stripNonAlpha (s : string) =
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s.ToCharArray ()
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|> Array.choose (fun c ->
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let c = System.Char.ToUpper c
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let shifted = int c - 65
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if shifted >= 0 && shifted < 26 then Some c else None
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)
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|> System.String
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