[Haskell-cafe] splitting strings

[Thomas Hartman]

I think you want

Text.Regex.  splitRegex

or something very much like it.

http://haskell.org/hoogle/?q=String-%3E%5BString%5D

2007/3/1, h. <h._h._h._ at hotmail.com>:
> Hello,
>
> I wrote the following split function for Strings:
>
>
> splitS :: String -> String -> [String]
> splitS a b = splitA a b
>     where
>     z = length b - 1
>     splitA []     _      = [""]
>     splitA (c:cs) (d:ds) | c == d && fst s == ds = "" : splitA (snd s) b
>                          | otherwise = (c : head r) : tail r
>         where
>         r = splitA cs b
>         s = splitAt z cs
>
>
> example:  splitS "Test;Hello;+123.5;+ 7" ";+" -> ["Test;Hallo","123.5"," 7"]
>
> How could it be optimized on speed?
> Does there exist already an optimized split for the conventional String
> type?
>
> --
> Thanks in advance for your answer.
> h.
>
>
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