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Posted by Gustavo Narea on 10/31/05 14:47
Hello, Marcus.
No, you are right. Your script is better.
I just forgot something I learned about REGEXES: The REGEX engine is
eager. Thus, in this case, It's not necessary to use the caret. The
REGEX engine will start from the first word It finds.
I would use yours ;-).
Best regards,
Gustavo Narea.
PHP Documentation - Spanish Translation Team.
Valencia, Venezuela.
Marcus Bointon wrote:
>
> On 31 Oct 2005, at 03:29, Gustavo Narea wrote:
>
>> I think It is OK what I said about the caret, but what we need to
>> change is the position of \W*:
>> Your suggestion: /(\b\w+\b\W*){1,$MaxWords}/
>> My suggestion: /^(\W*\b\w+\b){1,$MaxWords}/
>>
>> We need the *first* ($MaxWords)th words.
>
>
> I makes no difference - they will both work. Mine doesn't care where
> the first word starts because it doesn't use ^, and yours doesn't care
> where the first word starts because it's got ^ followed by \W*. Your
> overall match will end up with leading spaces, mine will end up with
> trailing spaces - the subsequent trim fixes them both. I like mine
> because it has 1 less char ;^)
>
> Ultimately, if it works for you, great!
>
> Marcus
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