Posted by Jim Michaels on 02/12/06 10:16

"Jim Michaels" <jmichae3@nospam.yahoo.com> wrote in message
news:pZadnZ-Oo9z0c3PenZ2dnUVZ_sSdnZ2d@comcast.com...
>
> "Nicholas Sherlock" <N.sherlock@gmail.com> wrote in message
> news:ds0r17$kqt$1@lust.ihug.co.nz...
>> David Wahler wrote:
>>> Nicholas Sherlock wrote:
>>>> /\[download:[^0-9]*([0-9]+)(,[0-9]+)*\]/i
>>>>
>>>> When I try it, it only returns the first and last items (Ie. "12",
>>>> ",28"). What am I missing?
>>>
>>> (quote)
>>> When a capturing subpattern is repeated, the value captured is the
>>> substring that matched the final iteration. [...]
>>> (end quote)
>>>
>>> So, it doesn't look like you can use regular expressions to split a
>>> string like that. If you need to split based on a real regular
>>> expression rather than a fixed string, check out pcre_split.
>>
>> Thanks, I didn't realize my pattern would be recursive/repetitive. As I
>> don't really need to get each argument separately, I changed it to:
>>
>> /\[download:[^0-9]*([0-9]+(,[0-9]+)*)+\]/i
>
> can shorten it here:
> /\[download:[^\d]*([\d]+(,[\d]+)*)+\]/i

oops... maybe it more like
/\[download:[^\d]*(\d+(,\d+)*)+\]/i


>
>
>>
>> Which returns for me the whole 1,2,3,4 block as a matched pattern,
>> perfect :).
>>
>> Cheers,
>> Nicholas Sherlock
>
>

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