[racket] Rosetta code submission / string operations

Or even shorter
(regexp-match? sub-str str)

(Didn't know that worked)


On Tue, 04 Jun 2013 13:34:37 +0200, Tobias Hammer <tobias.hammer at dlr.de>  
wrote:

> 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
>
>


-- 
---------------------------------------------------------
Tobias Hammer
DLR / Robotics and Mechatronics Center (RMC)
Muenchner Str. 20, D-82234 Wessling
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Mail: tobias.hammer at dlr.de