diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index e0e96c4..2808bce 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -9,6 +9,9 @@ set(SOURCES "backend-test.c" "log.c" "backend.c" "config.c")
 add_executable("backend-test" ${SOURCES})
 target_link_libraries("backend-test" "dl")
 
+set(SOURCES "filter-test.c" "log.c" "regexps_posix.c")
+add_executable("filter-test" ${SOURCES})
+
 install(TARGETS f2b
         RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}/bin")
 
diff --git a/src/filter-test.c b/src/filter-test.c
new file mode 100644
index 0000000..755d0f8
--- /dev/null
+++ b/src/filter-test.c
@@ -0,0 +1,43 @@
+#include "common.h"
+#include "log.h"
+#include "ipaddr.h"
+#include "regexps.h"
+
+void usage() {
+  fprintf(stderr, "Usage: filter-test <regexps-file.txt> <logfile.txt>\n");
+  exit(EXIT_FAILURE);
+}
+
+int main(int argc, char *argv[]) {
+  FILE *f = NULL;
+  char matchbuf[IPADDR_MAX] = "";
+  char logline[LOGLINE_MAX] = "";
+  f2b_regex_t *list = NULL;
+  size_t read = 0, matched = 0;
+
+  if (argc < 3)
+    usage();
+
+  if ((list = f2b_regexlist_from_file(argv[1])) == NULL) {
+    f2b_log_msg(log_error, "can't load regexps list from file '%s'", argv[1]);
+    return EXIT_FAILURE;
+  }
+
+  if ((f = fopen(argv[2], "r")) == NULL) {
+    f2b_log_msg(log_error, "can't open logfile '%s'", argv[2]);
+    return EXIT_FAILURE;
+  }
+
+  while (fgets(logline, sizeof(logline), f) != NULL) {
+    read++;
+    if (f2b_regexlist_match(list, logline, matchbuf, sizeof(matchbuf))) {
+      matched++;
+      f2b_log_msg(log_info, "match found: %s", matchbuf);
+      continue;
+    }
+    f2b_log_msg(log_info, "unmatched line: %s", logline);
+  }
+  f2b_log_msg(log_info, "lines read: %d, matched: %d", read, matched);
+
+  return EXIT_SUCCESS;
+}