[Haskell-cafe] String search algorithms

Henning Thielemann lemming at henning-thielemann.de
Mon Apr 25 06:18:31 EDT 2005

On Mon, 25 Apr 2005, Bayley, Alistair wrote:

> I'm a bit puzzled to find no sub-string search in the Haskell libraries
> (unless there's some neat composition of the existing Data.List functions
> that I've missed). Google doesn't help much either. I've found a KMP
> implementation:
>  http://haskell.org/hawiki/RunTimeCompilation
> I'm after something that'll report the position of the first occurrence,
> like Java's String.indexOf().

List.findIndex (List.isPrefixOf "bla") (List.tails "dfvbdbblaesre")

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