Posted by Chung Leong on 11/18/05 21:02

Ewoud Dronkert wrote:
> Chung Leong wrote:
> > echo preg_match('/./u', $text);
>
> That will match on any single utf8 character, which could potentially be
> followed by non-utf8 data... Also, I'm not sure about its behaviour when
> encountering such data.
>
> --
> E. Dronkert

PCRE validates the string before it runs the expression.

pcre.c:8037
if (valid_utf8((uschar *)subject, length) >= 0)
return PCRE_ERROR_BADUTF8;

If it isn't valid all the way through, then there's no match.

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