A WordPress plugin required PCRE 8.x for it to work. The following instructions were taken from the source cited below and worked flawlessly. The step below determined the version of PCRE and whether there was PHP support for it. [root@server]# pcretest -C PCRE version 7.8 2008-09-05 Compiled with   UTF-8 support   Unicode properties support   Newline sequence is LF…