From e61edfc62c875449abdc47577a29d65417f500db Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 10 Dec 2025 02:56:55 +0000
Subject: [PATCH] Make extension check case-insensitive to match glob pattern
 matching

Co-authored-by: DonJayamanne <1948812+DonJayamanne@users.noreply.github.com>
---
 src/vs/workbench/contrib/notebook/common/notebookEditorInput.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/vs/workbench/contrib/notebook/common/notebookEditorInput.ts b/src/vs/workbench/contrib/notebook/common/notebookEditorInput.ts
index 2bdd0fb3158..9342692a083 100644
--- a/src/vs/workbench/contrib/notebook/common/notebookEditorInput.ts
+++ b/src/vs/workbench/contrib/notebook/common/notebookEditorInput.ts
@@ -285,7 +285,7 @@ export class NotebookEditorInput extends AbstractResourceEditorInput {
 			const matches = /^\*\.([A-Za-z_-]*)$/.exec(selectorStr);
 			if (matches && matches.length > 1) {
 				const fileExt = matches[1];
-				if (!targetResource.path.endsWith(fileExt)) {
+				if (!targetResource.path.toLowerCase().endsWith(fileExt.toLowerCase())) {
 					return targetResource.with({ path: targetResource.path + '.' + fileExt });
 				}
 			}