Global USE flag

Add support for Perl Compatible Regular Expressions

Packages describing “pcre” as local USE flag

Package “pcre” Flag Description
dev-haskell/highlighting-kate Use the pcre-light library instead of regex-pcre-builtin.
dev-vcs/git Enable JIT for pcre
net-analyzer/sarg Enable support for regular expressions in the hostalias file through dev-libs/libpcre
net-proxy/haproxy Use JIT support for PCRE
net-wireless/kismet Build with pcre support
www-servers/nginx Enable JIT for pcre