diff --git a/CHANGELOG.md b/CHANGELOG.md
index d071ac2..ba870f2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 ## 4.0.3 [unreleased]
 
+- Added `like` operator
+- Added `exists` operator
 - Added warnings for certain regular expressions
 - Fixed anchored regular expressions
 
diff --git a/lib/searchkick/query.rb b/lib/searchkick/query.rb
index d4c8e18..10f7ed6 100644
--- a/lib/searchkick/query.rb
+++ b/lib/searchkick/query.rb
@@ -936,7 +936,7 @@ module Searchkick
                   }
                 }
               when :like
-                regex = Regexp.escape(op_value).gsub("%", ".*").gsub("_", ".")
+                regex = Regexp.escape(op_value).gsub(/(?<!\\)%/, ".*").gsub(/(?<!\\)_/, ".").gsub("\\%", "%").gsub("\\_", "_")
                 filters << {regexp: {field => {value: regex}}}
               when :prefix
                 filters << {prefix: {field => op_value}}
diff --git a/test/where_test.rb b/test/where_test.rb
index 7a15948..4396421 100644
--- a/test/where_test.rb
+++ b/test/where_test.rb
@@ -138,6 +138,11 @@ class WhereTest < Minitest::Test
     assert_search "product", ["Product ABC"], where: {name: {like: "Product_ABC"}}
   end
 
+  def test_like_escape
+    store_names ["Product 100%", "Product B"]
+    assert_search "product", ["Product 100%"], where: {name: {like: "% 100\\%"}}
+  end
+
   # def test_script
   #   store [
   #     {name: "Product A", store_id: 1},
--
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