a simple regex question

[Justin Azoff]

John Salerno wrote:
> Ok, I'm stuck on another Python challenge question. Apparently what you
> have to do is search through a huge group of characters and find a
> single lowercase character that has exactly three uppercase characters
> on either side of it. Here's what I have so far:
>
> pattern = '([a-z][A-Z]{3}[a-z][A-Z]{3}[a-z])+'
> print re.search(pattern, mess).groups()
>
> Not sure if 'groups' is necessary or not.
>
> Anyway, this returns one matching string, but when I put this letter in
> as the solution to the problem, I get a message saying "yes, but there
> are more", so assuming this means that there is more than one character
> with three caps on either side, is my RE written correctly to find them
> all? I didn't have the parentheses or + sign at first, but I added them
> to find all the possible matches, but still only one comes up.
>
> Thanks.

I don't believe you _need_ the parenthesis or the + in that usage...

Have a look at http://docs.python.org/lib/node115.html

It should be obvious which method you need to use to "find them all"

-- 
- Justin