[racket] Rosetta code submission / string operations

I think regexp are the right choice:

(regexp-match? (regexp sub-str) str))


On Tue, 04 Jun 2013 12:43:02 +0200, Daniel Prager  
<daniel.a.prager at gmail.com> wrote:

> I've just submitted a Racket solution to Rosetta Code for "I before E
> except after C" (no stretch goal yet).
>
>      http://rosettacode.org/wiki/I_before_E_except_after_C
>
> and noticed a couple of seeming omissions from the basic string  
> operations,
> or more likely the documentation.  I ended up rustling up a quick and  
> dirty
> test for whether one string includes another as a substring:
>
> (define (in? str sub-str)
>   (not (string=? str (string-replace str sub-str ""))))
>
> Is there something I could have used out-of-the-box?  No doubt I could  
> have
> used regular expressions, but that seemed like overkill.  I was also  
> unable
> to locate code for searching strings.
>
> Other feedback on my rosetta code also most welcome.
>
> -- Dan


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Tobias Hammer
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