diff --git a/cpucount.c b/cpucount.c
index b5fd7ef..c181243 100644
--- a/cpucount.c
+++ b/cpucount.c
@@ -98,7 +98,7 @@ static int parsecpuinfo()
 		if (strcasecmp(buf,"processor") == 0 && v) {
 			char *endp = 0;
 			long n = strtol(v,&endp,10);
-			if (endp && endp > v && n >= 0 && n < sizeof(cpubitmap) * 8)
+			if (endp && endp > v && n >= 0 && (size_t)n < sizeof(cpubitmap) * 8)
 				cpubitmap[n / 8] |= 1 << (n % 8);
 		}
 	}
diff --git a/filters.h b/filters.h
index 4c096f8..279136e 100644
--- a/filters.h
+++ b/filters.h
@@ -310,10 +310,9 @@ static void filter_sort(void)
 #endif // BINFILTER
 
 #ifdef PCRE2FILTER
-static size_t filter_len(size_t i)
-{
-	return 0;
-}
+
+#define filter_len(i) ((pcre2ovector[1] - pcre2ovector[0]) * 5)
+
 #endif // PCRE2FILTER
 
 static void filters_add(const char *filter)
@@ -585,7 +584,8 @@ do { \
 
 #define PREFILTER \
 	char pkconvbuf[BASE32_TO_LEN(PUBLIC_LEN) + 1]; \
-	pcre2_match_data *pcre2md = pcre2_match_data_create(128,0);
+	pcre2_match_data *pcre2md = pcre2_match_data_create(128,0); \
+	PCRE2_SIZE *pcre2ovector = 0;
 
 #define POSTFILTER \
 	pcre2_match_data_free(pcre2md);
@@ -598,6 +598,7 @@ do { \
 		int rc = pcre2_match(VEC_BUF(filters,it).re,(PCRE2_SPTR8)pkconvbuf,BASE32_TO_LEN(PUBLIC_LEN),0, \
 			PCRE2_NO_UTF_CHECK,pcre2md,0); \
 		if (unlikely(rc >= 0)) { \
+			pcre2ovector = pcre2_get_ovector_pointer(pcre2md); \
 			code; \
 			break; \
 		} \
diff --git a/main.c b/main.c
index f193976..b620ad6 100644
--- a/main.c
+++ b/main.c
@@ -699,7 +699,7 @@ int main(int argc,char **argv)
 		clock_gettime(CLOCK_MONOTONIC,&nowtime);
 		inowtime = (1000000 * (u64)nowtime.tv_sec) + (nowtime.tv_nsec / 1000);
 		u64 sumcalc = 0,sumsuccess = 0,sumrestart = 0;
-		for (size_t i = 0;i < numthreads;++i) {
+		for (int i = 0;i < numthreads;++i) {
 			u32 newt,tdiff;
 			// numcalc
 			newt = VEC_BUF(stats,i).numcalc.v;
@@ -736,7 +736,7 @@ int main(int argc,char **argv)
 				(inowtime - istarttime + elapsedoffset) / 1000000.0);
 
 			if (realtimestats) {
-				for (size_t i = 0;i < numthreads;++i) {
+				for (int i = 0;i < numthreads;++i) {
 					VEC_BUF(tstats,i).numcalc = 0;
 					VEC_BUF(tstats,i).numsuccess = 0;
 					VEC_BUF(tstats,i).numrestart = 0;
@@ -746,7 +746,7 @@ int main(int argc,char **argv)
 			}
 		}
 		if (sumcalc > U64_MAX / 2) {
-			for (size_t i = 0;i < numthreads;++i) {
+			for (int i = 0;i < numthreads;++i) {
 				VEC_BUF(tstats,i).numcalc /= 2;
 				VEC_BUF(tstats,i).numsuccess /= 2;
 				VEC_BUF(tstats,i).numrestart /= 2;