Installing Media Wiki on Centos 5 Fatal Error: PHP's PCRE module seems to be compiled without PCRE_UTF8 support.

rpm -Uvh http://zid-lux1.uibk.ac.at/pub/dist/centos/5/os/i386/CentOS/pcre-6.6-6.el5_6.1.i386.rpm

rpm -Uvh http://zid-lux1.uibk.ac.at/pub/dist/centos/5/os/i386/CentOS/pcre-devel-6.6-6.el5_6.1.i386.rpm