Packages with the regex use flag

dev-libs / libucl : Universal configuration library parser

  • Enable regex support

dev-scheme / guile : GNU Ubiquitous Intelligent Language for Extensions

  • Include regular expression interfaces

dev-scheme / scm : SCM is a Scheme implementation from the author of slib

  • String regular expression matching.

media-sound / pms : Practical Music Search: an open source ncurses client for mpd, written in C++

  • Enable regular expression searches

net-dns / dnsdist : A highly DNS-, DoS- and abuse-aware loadbalancer

  • Enable support for regular expression matching via dev-libs/re2

sys-cluster / keepalived : A strong & robust keepalive facility to the Linux Virtual Server project

  • compile with support for regex in health checks