diff --git a/public/app/plugins/datasource/loki/querybuilder/operations.ts b/public/app/plugins/datasource/loki/querybuilder/operations.ts
index e5418e8e550..63e347b4751 100644
--- a/public/app/plugins/datasource/loki/querybuilder/operations.ts
+++ b/public/app/plugins/datasource/loki/querybuilder/operations.ts
@@ -284,7 +284,7 @@ export function getOperationDefinitions(): QueryBuilderOperationDef[] {
       name: 'Label filter expression',
       params: [
         { name: 'Label', type: 'string' },
-        { name: 'Operator', type: 'string', options: ['=', '!=', '>', '<', '>=', '<='] },
+        { name: 'Operator', type: 'string', options: ['=', '!=', ' =~', '!~', '>', '<', '>=', '<='] },
         { name: 'Value', type: 'string' },
       ],
       defaultParams: ['', '=', ''],