[Haskell-cafe] How to split this string.

[emacsray at gmail.com]

On Mon, Jan 02, 2012 at 12:44:23PM +0300, max wrote:
> I want to write a function whose behavior is as follows:
>
> foo "string1\nstring2\r\nstring3\nstring4" = ["string1",
> "string2\r\nstring3", "string4"]
>
> Note the sequence "\r\n", which is ignored. How can I do this?
>
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A short yet requiring regex solution:

  > import Text.Regex.PCRE
  > match (makeRegex "(?:[^\r\n]+|\r\n)+" :: Regex) "b\nc\r\n\n\r\n\nd" :: [[String]]