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Update snippet 'Lazily split string'
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Description
Splits strings lazily, instead of splitting entire string into an array like System.String.Split. Especially useful for very large strings.
Source code
module String = let split (sep:string) (str:string) = match sep, str with | ((null | ""), _) | (_, (null | "")) -> seq [str] | _ -> let n, j = str.Length, sep.Length let rec loop p = seq { if p < n then let i = match str.IndexOf(sep, p) with -1 -> n | i -> i yield str.Substring(p, i - p) yield! loop (i + j) } loop 0
Tags
parsing
strings
parsing
strings
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