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Date: Tue, 6 Nov 2012 11:17:34 +0100
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To: =?ISO-8859-1?Q?Jean=2DS=E9bastien_Hedde?= <jeanseb@au-fil-du.net>
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Subject: Re: [PHP-DEV] Incomprehension with preg_match and utf8
From: pierre.php@gmail.com (Pierre Joye)

hi,


On Mon, Nov 5, 2012 at 10:57 AM, Jean-S=E9bastien Hedde
<jeanseb@au-fil-du.net> wrote:
> Hi,
>
> I'm facing an issue with preg_match and an UTF8 string.
>
> The pattern is : /^[[:alnum:]\s\-\'%]+$/u
> The string : R=E9gis
>
> If I read the manual preg_match should return 0 ("In UTF-8 mode, characte=
rs
> with values greater than 128 do not match any of the POSIX character
> classes.") but I've got 1 in some case :
>
> On a Windows host
> php 5.2.12 - (PCRE 7.9 2009-04-11) : preg_match =3D=3D=3D 1
>
> On the same centos host :
> php 5.2.10 (R=E9mi's RPM) - (PCRE 6.6 06-Feb-2006) : preg_match =3D=3D=3D=
 0
> php 5.4.8 (my build) - (PCRE 8.12 2011-01-15) : preg_match =3D=3D=3D 1
>
> On an other Centos host :
> php 5.4.0 (R=E9mi's RPM) - (PCRE 7.8 2008-09-05)
>
> How this can be possible ?

I would try using the bundled PCRE instead. As far as I remember,
almost all distro uses the system PCRE and not always build with UTF-8
support.

Cheers,
--
Pierre

@pierrejoye