Yes, you ran into very same problem as 
http://bugs.squeak.org/view.php?id=6366

findString:startingAt: (caseSensitive:) will not work with WideString

Nicolas

Philippe Marschall a écrit :
> Hi
> 
> Can it be that #match: works only with ByteStrings as argument?
> try the following:
> '#:\*' match: (String with: (Character value: 50976) with: (Character
> value: 47532) with: (Character value: 47484))
> 
> Cheers
> Philippe
> 
>