grep -Pr "(,|\s)pcre($|\s|,)" $(find . -name "*.nix") | nix run nixpkgs\#filterpath | uniq

./pkgs/os-specific/linux/fwts/default.nix
./pkgs/desktops/plasma-5/discover.nix
./pkgs/desktops/plasma-5/xdg-desktop-portal-kde.nix
./pkgs/desktops/deepin/library/image-editor/default.nix
./pkgs/desktops/deepin/apps/deepin-movie-reborn/default.nix
./pkgs/desktops/deepin/tools/deepin-anything/default.nix
./pkgs/desktops/deepin/core/dde-grand-search/default.nix
./pkgs/desktops/deepin/core/dde-file-manager/default.nix
./pkgs/desktops/lxqt/libfm-qt/default.nix
./pkgs/desktops/lxqt/lxqt-build-tools/default.nix
./pkgs/desktops/lxqt/lxqt-policykit/default.nix
./pkgs/desktops/lxqt/obconf-qt/default.nix
./pkgs/desktops/lxqt/lxqt-runner/default.nix
./pkgs/desktops/lxqt/lxqt-panel/default.nix
./pkgs/shells/zsh/default.nix
./pkgs/games/easyrpg-player/default.nix
./pkgs/games/ddnet/default.nix
./pkgs/games/spring/springlobby.nix
./pkgs/games/ldmud/default.nix
./pkgs/games/openxray/default.nix
./pkgs/games/wesnoth/default.nix
./pkgs/games/crossfire/crossfire-client.nix
./pkgs/games/mudlet/default.nix
./pkgs/games/sgt-puzzles/default.nix
./pkgs/data/themes/qtcurve/default.nix
./pkgs/tools/networking/privoxy/default.nix
./pkgs/tools/inputmethods/fcitx5/default.nix
./pkgs/tools/inputmethods/fcitx5/fcitx5-gtk.nix
./pkgs/tools/misc/diffoscope/default.nix
./pkgs/tools/security/libmodsecurity/default.nix
./pkgs/tools/compression/xz/default.nix
./pkgs/top-level/stage.nix
./pkgs/top-level/all-packages.nix
./pkgs/by-name/ba/bambu-studio/package.nix
./pkgs/by-name/li/lightdm-enso-os-greeter/package.nix
./pkgs/by-name/li/lightspark/package.nix
./pkgs/by-name/li/liblognorm/package.nix
./pkgs/by-name/li/libgaminggear/package.nix
./pkgs/by-name/li/libr3/package.nix
./pkgs/by-name/op/opencollada/package.nix
./pkgs/by-name/gf/gforth/swig.nix
./pkgs/by-name/mk/mkbootimage/package.nix
./pkgs/by-name/ar/argyllcms/package.nix
./pkgs/by-name/cp/cppcms/package.nix
./pkgs/by-name/cp/cppcheck/package.nix
./pkgs/by-name/cp/cpu-x/package.nix
./pkgs/by-name/ya/yara/package.nix
./pkgs/by-name/ng/ngrep/package.nix
./pkgs/by-name/re/renderdoc/package.nix
./pkgs/by-name/re/rewritefs/package.nix
./pkgs/by-name/rs/rspamd/package.nix
./pkgs/by-name/lu/luastatus/package.nix
./pkgs/by-name/yo/yoshimi/package.nix
./pkgs/by-name/nn/nnn/package.nix
./pkgs/by-name/ap/apache-airflow/python-package.nix
./pkgs/by-name/ap/apvlv/package.nix
./pkgs/by-name/di/dico/package.nix
./pkgs/by-name/ve/vectorscan/package.nix
./pkgs/by-name/ka/kamailio/package.nix
./pkgs/by-name/an/ansel/package.nix
./pkgs/by-name/ni/nim-unwrapped-2_2/package.nix
./pkgs/by-name/ni/nimmm/package.nix
./pkgs/by-name/ni/nim-2_2/package.nix
./pkgs/by-name/uc/ucg/package.nix
./pkgs/by-name/so/solvespace/package.nix
./pkgs/by-name/so/sonarlint-ls/package.nix
./pkgs/by-name/lo/logstalgia/package.nix
./pkgs/by-name/ta/taterclient-ddnet/package.nix
./pkgs/by-name/rc/rcon/package.nix
./pkgs/by-name/da/dablin/package.nix
./pkgs/by-name/bl/blendfarm/package.nix
./pkgs/by-name/pp/pplatex/package.nix
./pkgs/by-name/cl/classads/package.nix
./pkgs/by-name/uw/uwsgi/package.nix
./pkgs/by-name/le/lemminx/package.nix
./pkgs/by-name/tr/trafficserver/package.nix
./pkgs/by-name/tr/transmission_3/package.nix
./pkgs/by-name/ti/tiscamera/package.nix
./pkgs/by-name/ti/tintin/package.nix
./pkgs/by-name/ma/maildrop/package.nix
./pkgs/by-name/wh/whatsapp-for-linux/package.nix
./pkgs/by-name/au/audacity/package.nix
./pkgs/by-name/hy/hybridreverb2/package.nix
./pkgs/by-name/hy/hyperscan/package.nix
./pkgs/by-name/hy/hyprpaper/package.nix
./pkgs/by-name/me/memtier-benchmark/package.nix
./pkgs/by-name/in/inspircd/package.nix
./pkgs/by-name/in/infamousPlugins/package.nix
./pkgs/by-name/se/serd/package.nix
./pkgs/by-name/ed/edbrowse/package.nix
./pkgs/by-name/ne/neocomp/package.nix
./pkgs/by-name/ne/neko/package.nix
./pkgs/by-name/ne/nextcloud-client/package.nix
./pkgs/by-name/mp/mpfr/package.nix
./pkgs/by-name/xn/xneur/package.nix
./pkgs/by-name/ji/jiten/package.nix
./pkgs/by-name/io/io/package.nix
./pkgs/by-name/om/omxplayer/package.nix
./pkgs/by-name/mi/miraclecast/package.nix
./pkgs/by-name/mi/min/package.nix
./pkgs/by-name/te/ted/package.nix
./pkgs/by-name/te/tenacity/package.nix
./pkgs/by-name/mo/mosdepth/package.nix
./pkgs/by-name/mo/modsecurity_standalone/package.nix
./pkgs/by-name/co/contour/package.nix
./pkgs/by-name/th/thc-hydra/package.nix
./pkgs/by-name/th/the-foundation/package.nix
./pkgs/by-name/fn/fntsample/package.nix
./pkgs/by-name/ro/root/package.nix
./pkgs/by-name/ro/root5/package.nix
./pkgs/by-name/ad/adriconf/package.nix
./pkgs/by-name/et/ethtool/package.nix
./pkgs/by-name/et/ettercap/package.nix
./pkgs/by-name/fa/fastfetch/package.nix
./pkgs/by-name/ev/evolution-data-server/package.nix
./pkgs/by-name/my/mydumper/package.nix
./pkgs/by-name/nr/nrpl/package.nix
./pkgs/by-name/ch/chow-kick/package.nix
./pkgs/by-name/ch/chow-phaser/package.nix
./pkgs/by-name/ch/chow-tape-model/package.nix
./pkgs/by-name/ha/hardinfo/package.nix
./pkgs/by-name/ha/hashlink/package.nix
./pkgs/by-name/ha/haka/package.nix
./pkgs/by-name/to/touchegg/package.nix
./pkgs/by-name/mu/mutt/package.nix
./pkgs/by-name/gr/gromit-mpx/package.nix
./pkgs/by-name/sh/shadowsocks-libev/package.nix
./pkgs/by-name/si/silver-searcher/package.nix
./pkgs/by-name/si/simh/package.nix
./pkgs/by-name/at/atheme/package.nix
./pkgs/by-name/sl/slang/package.nix
./pkgs/by-name/vi/vimpc/package.nix
./pkgs/by-name/sy/syslogng/package.nix
./pkgs/by-name/po/poke/package.nix
./pkgs/by-name/po/polybar/package.nix
./pkgs/by-name/fr/frei0r/package.nix
./pkgs/by-name/sn/sngrep/package.nix
./pkgs/by-name/sn/sniproxy/package.nix
./pkgs/by-name/sn/snort/package.nix
./pkgs/by-name/iv/ivan/package.nix
./pkgs/by-name/sr/sratom/package.nix
./pkgs/by-name/ke/kermit-terminal/package.nix
./pkgs/by-name/xa/xastir/package.nix
./pkgs/by-name/xa/xautoclick/package.nix
./pkgs/by-name/gm/gmt/package.nix
./pkgs/by-name/ki/kismet/package.nix
./pkgs/by-name/rp/rpm-ostree/package.nix
./pkgs/by-name/pr/proxysql/package.nix
./pkgs/by-name/pr/prboom-plus/package.nix
./pkgs/by-name/ul/ultrastardx/package.nix
./pkgs/by-name/sm/smuview/package.nix
./pkgs/by-name/pn/pnmixer/package.nix
./pkgs/by-name/ez/ezquake/package.nix
./pkgs/by-name/rd/rdup/package.nix
./pkgs/by-name/ig/igprof/package.nix
./pkgs/by-name/su/sunshine/package.nix
./pkgs/by-name/zo/zoneminder/package.nix
./pkgs/applications/window-managers/i3/rounded.nix
./pkgs/applications/version-management/monotone/default.nix
./pkgs/applications/networking/p2p/transmission/4.nix
./pkgs/applications/networking/instant-messengers/qtox/default.nix
./pkgs/applications/file-managers/mc/default.nix
./pkgs/applications/video/qstopmotion/default.nix
./pkgs/applications/video/vdr/epgsearch/default.nix
./pkgs/applications/plasma-mobile/plasma-settings.nix
./pkgs/applications/plasma-mobile/plasma-dialer.nix
./pkgs/applications/audio/sayonara/default.nix
./pkgs/applications/audio/mixxx/default.nix
./pkgs/applications/audio/amarok/default.nix
./pkgs/applications/audio/pragha/default.nix
./pkgs/applications/audio/mpg123/default.nix
./pkgs/applications/audio/bespokesynth/default.nix
./pkgs/applications/audio/radiotray-ng/default.nix
./pkgs/applications/audio/clementine/default.nix
./pkgs/applications/radio/pothos/default.nix
./pkgs/applications/misc/far2l/default.nix
./pkgs/applications/misc/prusa-slicer/default.nix
./pkgs/applications/misc/maliit-keyboard/default.nix
./pkgs/applications/misc/opencpn/default.nix
./pkgs/applications/misc/synergy/default.nix
./pkgs/applications/misc/maliit-framework/default.nix
./pkgs/applications/misc/lutris/fhsenv.nix
./pkgs/applications/misc/clight/clightd.nix
./pkgs/applications/misc/gxneur/default.nix
./pkgs/applications/kde/kamoso.nix
./pkgs/applications/virtualization/virt-manager/qt.nix
./pkgs/applications/science/electronics/pulseview/default.nix
./pkgs/applications/science/electronics/kicad/base.nix
./pkgs/applications/science/electronics/openroad/default.nix
./pkgs/applications/emulators/libretro/cores/easyrpg.nix
./pkgs/applications/emulators/libretro/cores/dolphin.nix
./pkgs/applications/emulators/dolphin-emu/primehack.nix
./pkgs/applications/emulators/cdemu/libmirage.nix
./pkgs/applications/graphics/xournalpp/default.nix
./pkgs/development/python-modules/hyperscan/default.nix
./pkgs/development/python-modules/rpy2/default.nix
./pkgs/development/python-modules/ifcopenshell/default.nix
./pkgs/development/libraries/wt/default.nix
./pkgs/development/libraries/openscenegraph/default.nix
./pkgs/development/libraries/pcre2/default.nix
./pkgs/development/libraries/polkit-qt-1/default.nix
./pkgs/development/libraries/openbabel/default.nix
./pkgs/development/libraries/openbabel/2.nix
./pkgs/development/libraries/kde-frameworks/kjs.nix
./pkgs/development/libraries/allegro/5.nix
./pkgs/development/libraries/pcre/default.nix
./pkgs/development/libraries/rnnoise-plugin/default.nix
./pkgs/development/libraries/qt-6/modules/qtbase/default.nix
./pkgs/development/libraries/librdf/redland.nix
./pkgs/development/libraries/librdf/rasqal.nix
./pkgs/development/libraries/appstream/default.nix
./pkgs/development/ocaml-modules/pcre/default.nix
./pkgs/development/interpreters/clisp/default.nix
./pkgs/development/interpreters/guile/3.0.nix
./pkgs/development/interpreters/falcon/default.nix
./pkgs/development/r-modules/default.nix
./pkgs/development/octave-modules/strings/default.nix
./pkgs/development/tools/misc/gdb/default.nix
./pkgs/development/tools/analysis/valgrind/default.nix
./pkgs/development/haskell-modules/hackage-packages.nix
./pkgs/development/compilers/haxe/default.nix
./pkgs/development/compilers/factor-lang/factor99.nix
./pkgs/development/compilers/crystal/default.nix
./pkgs/development/lua-modules/overrides.nix
./pkgs/servers/news/leafnode/default.nix
./pkgs/servers/mpd/default.nix
./pkgs/servers/varnish/default.nix
./pkgs/servers/mail/postfix/pfixtools.nix
./pkgs/servers/monitoring/zabbix/server.nix
./pkgs/servers/monitoring/zabbix/agent.nix
./pkgs/servers/monitoring/zabbix/agent2.nix
./pkgs/servers/monitoring/zabbix/proxy.nix
./pkgs/servers/sip/freeswitch/default.nix
./pkgs/servers/http/tengine/default.nix
./nixos/tests/php/default.nix