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Subject: Re: [PHP-DEV] Incomprehension with preg_match and utf8
From: rasmus@lerdorf.com (Rasmus Lerdorf)

On 11/05/2012 08:41 AM, Jean-Sébastien Hedde wrote:
> On Mon, 05 Nov 2012 08:04:06 -0800, Rasmus Lerdorf <rasmus@lerdorf.com>
> wrote:
>>
>> I think the documentation is wrong on that. In Unicode mode [[:alnum:]]
>> actually becomes \p{Xan} which should match Unicode chars as well, but
>> only if PCRE was compiled with Unicode support. So I suspect you don't
>> actually have a Unicode-capable PCRE build in some cases there.
>>
>> -Rasmus
> 
> I will report the bug to the package maintainers (remi, debian too...).
> 
> Is there anyway for us to avoid those "wrong" builds ?

I don't see how.