diff --git a/WeakAuras/Prototypes.lua b/WeakAuras/Prototypes.lua
index bdd7b0a..9fc836b 100644
--- a/WeakAuras/Prototypes.lua
+++ b/WeakAuras/Prototypes.lua
@@ -593,10 +593,11 @@ function WeakAuras.CheckNumericIds(loadids, currentId)
   local startI, endI = string.find(loadids, currentId, searchFrom);
   while (startI) do
     searchFrom = endI + 1; -- start next search from end
-    if (startI == 1 or tonumber(string.sub(loadids, startI - 1, startI - 1)) == nil) then
+    local isNeg = (startI > 1 and string.sub(loadids, startI - 1, startI - 1) == "-")
+    if (isNeg or startI == 1 or tonumber(string.sub(loadids, startI - 1, startI - 1)) == nil) then
       -- Either right at start, or character before is not a number
       if (endI == string.len(loadids) or tonumber(string.sub(loadids, endI + 1, endI + 1)) == nil) then
-        return true;
+        return not isNeg
       end
     end
     startI, endI = string.find(loadids, currentId, searchFrom);
diff --git a/WeakAuras/Types_ClassicPlus.lua b/WeakAuras/Types_ClassicPlus.lua
index 7007a7c..48a7268 100644
--- a/WeakAuras/Types_ClassicPlus.lua
+++ b/WeakAuras/Types_ClassicPlus.lua
@@ -125,7 +125,7 @@ function Private.InitializeEncounterAndZoneLists()
     encounter_list = encounter_list .. "\n"
   end
 
-  encounter_list = encounter_list:sub(1, -3) .. "\n\n" .. L["Based on "] .. "https://wago.tools/db2/DungeonEncounter?build=3.4.5.63009\n" .. L["Supports multiple entries, separated by commas\n"]
+  encounter_list = encounter_list:sub(1, -3) .. "\n\n" .. L["Based on "] .. "https://wago.tools/db2/DungeonEncounter?build=3.4.5.63009\n" .. L["Supports multiple entries, separated by commas. Prefix with '-' for negation."]
 end
 
 function Private.get_encounters_list()
diff --git a/WeakAuras/Types_TBC.lua b/WeakAuras/Types_TBC.lua
index 599f5bd..4a7e6ab 100644
--- a/WeakAuras/Types_TBC.lua
+++ b/WeakAuras/Types_TBC.lua
@@ -121,7 +121,7 @@ function Private.InitializeEncounterAndZoneLists()
     encounter_list = encounter_list .. "\n"
   end
 
-  encounter_list = encounter_list:sub(1, -3) .. "\n\n" .. L["Based on "] .. "https://wago.tools/db2/DungeonEncounter?build=3.4.5.63009\n" .. L["Supports multiple entries, separated by commas\n"]
+  encounter_list = encounter_list:sub(1, -3) .. "\n\n" .. L["Based on "] .. "https://wago.tools/db2/DungeonEncounter?build=3.4.5.63009\n" .. L["Supports multiple entries, separated by commas. Prefix with '-' for negation."]
 end
 
 function Private.get_encounters_list()
diff --git a/WeakAuras/Types_Wrath.lua b/WeakAuras/Types_Wrath.lua
index 51343dd..beec2c1 100644
--- a/WeakAuras/Types_Wrath.lua
+++ b/WeakAuras/Types_Wrath.lua
@@ -146,7 +146,7 @@ function Private.InitializeEncounterAndZoneLists()
     encounter_list = encounter_list .. "\n"
   end
 
-  encounter_list = encounter_list:sub(1, -3) .. "\n\n" .. L["Based on "] .. "https://wago.tools/db2/DungeonEncounter?build=3.4.5.63009\n" .. L["Supports multiple entries, separated by commas\n"]
+  encounter_list = encounter_list:sub(1, -3) .. "\n\n" .. L["Based on "] .. "https://wago.tools/db2/DungeonEncounter?build=3.4.5.63009\n" .. L["Supports multiple entries, separated by commas. Prefix with '-' for negation."]
 end
 
 function Private.get_encounters_list()