diff --git a/searx/plugins/__init__.py b/searx/plugins/__init__.py
index c3aad5f32..278183314 100644
--- a/searx/plugins/__init__.py
+++ b/searx/plugins/__init__.py
@@ -210,6 +210,7 @@ class PluginStore:
 
 plugins = PluginStore()
 
+plugins.register('./query_strings.py')
 
 def plugin_module_names():
     yield_plugins = set()
diff --git a/searx/plugins/query_strings.py b/searx/plugins/query_strings.py
new file mode 100644
index 000000000..af0e31cc4
--- /dev/null
+++ b/searx/plugins/query_strings.py
@@ -0,0 +1,24 @@
+import shlex, string
+from flask_babel import gettext
+
+name = gettext("query strings")
+description = gettext('adds site:, - and "" to searx')
+default_on = True
+
+def on_result(request, search, result):
+    q = search.search_query.query
+    qs = shlex.split(q)
+    spitems = [x.lower() for x in qs if ' ' in x]
+    mitems = [x.lower() for x in qs if x.startswith('-')]
+    siteitems = [x.lower() for x in qs if x.startswith('site:')]
+    msiteitems = [x.lower() for x in qs if x.startswith('-site:')]
+    url, title, content = result["url"].lower(), result["title"].lower(), (result.get("content").lower() if result.get("content") else '')
+    if all((x not in title or x not in content) for x in spitems):
+        return False
+    if all((x in title or x in content) for x in mitems):
+        return False
+    if all(x not in url for x in siteitems):
+        return False
+    if all(x in url for x in msiteitems):
+        return False
+    return True
diff --git a/searx/settings.yml b/searx/settings.yml
index 4417485bc..7fc678f16 100644
--- a/searx/settings.yml
+++ b/searx/settings.yml
@@ -217,7 +217,8 @@ outgoing:
 
 # Comment or un-comment plugin to activate / deactivate by default.
 #
-# enabled_plugins:
+enabled_plugins:
+  - 'query strings'
 #   # these plugins are enabled if nothing is configured ..
 #   - 'Basic Calculator'
 #   - 'Hash plugin'