diff --git a/src/config.json b/src/config.json
index 88a9e66..0405c17 100755
--- a/src/config.json
+++ b/src/config.json
@@ -68,6 +68,7 @@
         "modify_deck": true,
         "modify_field": true,
         "modify_flag": true,
+        "modify_flag__show_explanations": true,
         "modify_is": true,
         "modify_is__show_explanations": true,
         "modify_note": true,
diff --git a/src/config.schema.json b/src/config.schema.json
index 02097ab..09ab6eb 100644
--- a/src/config.schema.json
+++ b/src/config.schema.json
@@ -314,6 +314,11 @@
                     "default": true,
                     "description": ""
                 },
+                "modify_flag__show_explanations": {
+                    "type": "boolean",
+                    "default": true,
+                    "description": ""
+                },
                 "modify_is": {
                     "type": "boolean",
                     "default": true,
diff --git a/src/config_update.py b/src/config_update.py
index cfe9ab6..9946c35 100644
--- a/src/config_update.py
+++ b/src/config_update.py
@@ -67,6 +67,10 @@ def get_default_conf_for_this_addon(addon_folder_name):
     "modify_deck": ["open filter dialog after typing these search operators", "modify_deck"],
     "modify_field": ["open filter dialog after typing these search operators", "modify_field"],
     "modify_flag": ["open filter dialog after typing these search operators", "modify_flag"],
+    "modify_flag__show_explanations": [
+        "open filter dialog after typing these search operators",
+        "modify_flag__show_explanations",
+    ],
     "modify_is": ["open filter dialog after typing these search operators", "modify_is"],
     "modify_is__show_explanations": [
         "open filter dialog after typing these search operators",
diff --git a/src/helpers.py b/src/helpers.py
index 80fb64d..e0e8116 100755
--- a/src/helpers.py
+++ b/src/helpers.py
@@ -55,6 +55,34 @@ def is_values_with_explanations():
         "is:learn -is:review (cards that are in learning for the first time)": "is:learn -is:review",
     }
 
+def flag_values():
+    return [
+        "flag:1",
+        "flag:2",
+        "flag:3",
+        "flag:4",
+        "flag:5",
+        "flag:6",
+        "flag:7",
+        "flag:0",
+        "-flag:0",
+        "-flag:1",
+    ]
+
+
+def flag_values_with_explanations():
+    return {
+         "red flag": "flag:1",
+        "orange flag": "flag:2",
+        "green flag": "flag:3",
+        "blue flag": "flag:4",
+        "pink flag": "flag:5",
+        "turquoise flag": "flag:6",
+        "purple flag": "flag:7",
+        "no flags": "flag:0",
+        "any flag": "-flag:0",
+        "no red flags": "-flag:1",
+    }
 
 def props():
     all_version_texts = {
diff --git a/src/onTextChange.py b/src/onTextChange.py
index 4bdd485..2e2bf17 100755
--- a/src/onTextChange.py
+++ b/src/onTextChange.py
@@ -637,20 +637,13 @@ def onSearchEditTextChange(
     if matches_search_operator(before, "flag:") and (
         gc(["open filter dialog after typing these search operators", "modify_flag"]) or from_button
     ):
+        expl = gc(["open filter dialog after typing these search operators", "modify_flag__show_explanations"])
         prefixed_with_minus = True if minus_precedes_search_operator(before, "flag:") else False
         vals = {
-            "remove_from_end_of_before": -1 if prefixed_with_minus else 0,
+            "remove_from_end_of_before": (0 if expl else -5) - (1 if prefixed_with_minus else 0),
             "insert_space_at_pos_in_before": -5,
-            "dict_for_dialog": "flags",
-            "values_for_filter_dialog": {
-                "red": "1",
-                "orange": "2",
-                "green": "3",
-                "blue": "4",
-                "pink": "5",
-                "turquoise": "6",
-                "purple": "7",
-            },
+            "dict_for_dialog": "flags_with_explanations" if expl else False,
+            "values_for_filter_dialog": flag_values_with_explanations() if expl else flag_values(),
             "surround_with_quotes": False,
             "infotext": False,
             "windowtitle": "Anki: Search by Flag",
@@ -893,7 +886,16 @@ def fieldnames_modelname_dict():
             )  # triggering a search makes no sense here: the user needs to fill in the search term for prop:
 
         ############ generate sel_list
-        if vals["dict_for_dialog"] == "flags":
+        if vals["dict_for_dialog"] == "flags_with_explanations":
+            already_in_line = befmod[:-5]  # substract flag:
+            new_text = already_in_line + ("-" if is_exclusion else "") + d.sel_value_from_dict + after
+            new_pos = len(already_in_line + ("-" if is_exclusion else "") + d.sel_value_from_dict)
+            return (
+                new_text,
+                new_pos,
+                False,
+            )  # triggering a search makes no sense here: the user needs to fill in the search term for is:
+        elif vals["dict_for_dialog"] == "flags":
             sel_list = [d.sel_value_from_dict]
 
         if just_returned_input_line_content: