diff --git a/modules/basic/config.nix b/modules/basic/config.nix
index 541426c1..82d8648c 100644
--- a/modules/basic/config.nix
+++ b/modules/basic/config.nix
@@ -146,6 +146,18 @@ in {
       ${optionalString (cfg.leaderKey != null) ''
         let mapleader = "${toString cfg.leaderKey}"
       ''}
+      ${optionalString (cfg.searchCase == "ignore") ''
+        set nosmartcase
+        set ignorecase
+      ''}
+      ${optionalString (cfg.searchCase == "smart") ''
+        set noignorecase
+        set smartcase
+      ''}
+      ${optionalString (cfg.searchCase == "sensitive") ''
+        set noignorecase
+        set nosmartcase
+      ''}
     '';
   };
 }
diff --git a/modules/basic/module.nix b/modules/basic/module.nix
index 516a4ba1..8bee1a60 100644
--- a/modules/basic/module.nix
+++ b/modules/basic/module.nix
@@ -178,5 +178,11 @@ with builtins; {
     };
 
     enableLuaLoader = mkEnableOption "experimental Lua module loader to speed up the start up process";
+
+    searchCase = mkOption {
+      type = types.enum ["ignore" "smart" "sensitive"];
+      default = "sensitive";
+      description = "Set the case sensitivity of search";
+    };
   };
 }