From 202375c6dc96cfa6394578fd062884fa14ffe9c0 Mon Sep 17 00:00:00 2001
From: makinoy <makino.y@gmail.com>
Date: Tue, 18 Jul 2017 17:02:40 +0900
Subject: [PATCH 1/2] Fix

---
 lib/filtr.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/filtr.js b/lib/filtr.js
index bfdee21..843eb62 100644
--- a/lib/filtr.js
+++ b/lib/filtr.js
@@ -87,7 +87,7 @@ _eq = function (a, b) {
   if (a instanceof Array) {
     return a.some(function(v) {return _eq(v, b)})
   }
-  if (b instanceof RegExp) {
+  if (a != null && b instanceof RegExp) {
     return b.test(a);
   }
   if (b === null) {

From 20161e954844e0ec1f1181fe74d70b98328c1f79 Mon Sep 17 00:00:00 2001
From: makinoy <makino.y@gmail.com>
Date: Tue, 18 Jul 2017 17:05:40 +0900
Subject: [PATCH 2/2] Add a test case

---
 test/query.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/test/query.js b/test/query.js
index cb7a021..3f48e16 100644
--- a/test/query.js
+++ b/test/query.js
@@ -330,6 +330,12 @@ describe('Query', function () {
       Q.test({sets: ['Firefox', 'abc']}, {type: 'single'}).should.be.false;
     });
 
+    it('should regexp $eq work appropriately', function () {
+      var query = {'test': /f/}
+        , Q = filtr(query);
+      Q.stack.should.have.length(1);
+      Q.test({}, {type: 'single'}).should.be.false;
+    });
 
   });