Hi Nicolas,

> On 24 Mar 2015, at 16:32, Nicolas Cellier 
> <nicolas.cellier.aka.n...@gmail.com> wrote:
> I think you're looking after the number of common chars only at beginning.
> Wouldn't the method finder hit a better match?
> 
Yes. your right. I found the method I was actually needing that gives me the 
behavior I expected.

String>>charactersExactlyMatching:


> The method works as advertised in the comment. Though I find it very 
> questionnable:
> Doesn't "match" imply some other semantic like pattern matching (and thus 
> things like wild character etc...)?
> Is such specific behavior usefull? Really? Why/Where?
>  

What is misleading is that the howManyMatch: is in String.
I believe it should be moved up to SequencableCollection

Noury

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