13 lines
361 B
FSharp
13 lines
361 B
FSharp
[<EntryPoint>]
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let main args =
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let s = "一二三四五六七八九十"
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let n, m = 3, 2
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let c = '六'
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let z = "六七八"
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printfn "%s" (s.Substring(n, m))
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printfn "%s" (s.Substring(n))
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printfn "%s" (s.Substring(0, s.Length - 1))
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printfn "%s" (s.Substring(s.IndexOf(c), m))
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printfn "%s" (s.Substring(s.IndexOf(z), m))
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0
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