These functions are
deprecated and will be removed in a future release. If you have concerns, open a
ticket and provide feedback at https://supporttickets.intel.com/.
This section describes the Intel IPP functions that perform matching
operations with the Perl-compatible regular expression patterns. See http://search.cpan.org/dist/perl/pod/perlre.pod for more details about
Perl-compatible regular expressions.
The current version of the Intel IPP functions for regular expressions
have some limitations, specifically they do not support literal (metacharacters