diff --git a/lib/searchkick/query.rb b/lib/searchkick/query.rb
index fe4fedd..4b9daa6 100644
--- a/lib/searchkick/query.rb
+++ b/lib/searchkick/query.rb
@@ -531,6 +531,8 @@ module Searchkick
         end
       elsif value.nil?
         {missing: {"field" => field, existence: true, null_value: true}}
+      elsif value.is_a?(Regexp)
+        {regexp: {field => {value: value.source}}}
       else
         {term: {field => value}}
       end
diff --git a/test/sql_test.rb b/test/sql_test.rb
index c98a22c..f7bf735 100644
--- a/test/sql_test.rb
+++ b/test/sql_test.rb
@@ -93,6 +93,11 @@ class TestSql < Minitest::Test
     assert_search "product", ["Product B"], where: {user_ids: {not: [3, nil]}}
   end
 
+  def test_regexp
+    store_names ["Product A"]
+    assert_search "*", ["Product A"], where: {name: /Pro.+/}
+  end
+
   def test_where_string
     store [
       {name: "Product A", color: "RED"}
--
libgit2 0.21.0