Makefile  | 5 +++++
 README.md | 2 +-

diff --git a/Makefile b/Makefile
index 6b99a0590e2b66fb301dcc4145b18314d0f46cae..0f64d450de095274e1e5ed2d59b4ba092ea6c79d 100644
--- a/Makefile
+++ b/Makefile
@@ -37,6 +37,11 @@ else
 	LDLIBS += -lreadline
 endif
 
+ifeq ($(O_PCRE),1)
+	CPPFLAGS += -DPCRE
+	LDLIBS += -lpcre
+endif
+
 ifeq ($(O_NOLOC),1)
 	CPPFLAGS += -DNOLOCALE
 endif
diff --git a/README.md b/README.md
index 3b9dbd85176c56b7787352091dff4a079a8d9c04..f86441b16775044f1d27657953de815afe233715 100644
--- a/README.md
+++ b/README.md
@@ -58,7 +58,7 @@   - Familiar shortcuts (arrows, <kbd>~</kbd>, <kbd>-</kbd>, <kbd>@</kbd>), quick reference
   - CD on quit (*easy* shell integration)
 - Search
   - Instant filtering with *search-as-you-type*
-  - Regex and substring (default) matches
+  - Regex (POSIX/PCRE) and string (default) filters
   - Subtree search plugin to open or edit files
 - Sort
   - Ordered pure numeric names by default (visit _/proc_)