From 5661b20dfb7fca6ddeadb5ede48dfff07fef8416 Mon Sep 17 00:00:00 2001
From: Jeremy Wu <jeremy24wu@gmail.com>
Date: Wed, 26 Aug 2020 08:47:19 +1000
Subject: [PATCH] prevent index search when only '_' in query

otherwise will throw OleDb error.
---
 .../Search/WindowsIndex/IndexSearch.cs                          | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Plugins/Flow.Launcher.Plugin.Explorer/Search/WindowsIndex/IndexSearch.cs b/Plugins/Flow.Launcher.Plugin.Explorer/Search/WindowsIndex/IndexSearch.cs
index 08511091e..187899c8f 100644
--- a/Plugins/Flow.Launcher.Plugin.Explorer/Search/WindowsIndex/IndexSearch.cs
+++ b/Plugins/Flow.Launcher.Plugin.Explorer/Search/WindowsIndex/IndexSearch.cs
@@ -21,7 +21,7 @@ namespace Flow.Launcher.Plugin.Explorer.Search.WindowsIndex
         private readonly ResultManager resultManager;
 
         // Reserved keywords in oleDB
-        private readonly string reservedStringPattern = @"^[\/\\\$\%]+$";
+        private readonly string reservedStringPattern = @"^[\/\\\$\%_]+$";
 
         internal IndexSearch(PluginInitContext context)
         {