Escape special glob chars when using "Find in Folder"

src/vs/workbench/services/search/common/queryBuilder.ts

@@ -578,6 +578,18 @@ function normalizeGlobPattern(pattern: string): string {
 		.replace(/\/+$/g, '');
 }
 
+/**
+ * Escapes a path for use as a glob pattern that would match the input precisely.
+ * Characters '?', '*', '[', and ']' are escaped into character range glob syntax
+ * (for example, '?' becomes '[?]').
+ * NOTE: This implementation makes no special cases for UNC paths. For example,
+ * given the input "//?/C:/A?.txt", this would produce output '//[?]/C:/A[?].txt',
+ * which may not be desirable in some cases. Use with caution if UNC paths could be expected.
+ */
+function escapeGlobPattern(path: string): string {
+	return path.replace(/([?*[\]])/g, '[$1]');
+}
+
 /**
  * Construct an include pattern from a list of folders uris to search in.
  */
@@ -616,7 +628,7 @@ export function resolveResourcesForSearchIncludes(resources: URI[], contextServi
 			}
 
 			if (folderPath) {
-				folderPaths.push(folderPath);
+				folderPaths.push(escapeGlobPattern(folderPath));
 			}
 		});
 	}

src/vs/workbench/services/search/test/common/queryBuilder.test.ts

@@ -0,0 +1,30 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+import * as assert from 'assert';
+import { isWindows } from 'vs/base/common/platform';
+import { URI } from 'vs/base/common/uri';
+import { IWorkspaceContextService } from 'vs/platform/workspace/common/workspace';
+import { testWorkspace } from 'vs/platform/workspace/test/common/testWorkspace';
+import { resolveResourcesForSearchIncludes } from 'vs/workbench/services/search/common/queryBuilder';
+import { TestContextService } from 'vs/workbench/test/common/workbenchTestServices';
+
+suite('QueryBuilderCommon', () => {
+	let context: IWorkspaceContextService;
+
+	setup(() => {
+		const workspace = testWorkspace(URI.file(isWindows ? 'C:\\testWorkspace' : '/testWorkspace'));
+		context = new TestContextService(workspace);
+	});
+
+	test('resolveResourcesForSearchIncludes passes through paths without special glob characters', () => {
+		const actual = resolveResourcesForSearchIncludes([URI.file(isWindows ? "C:\\testWorkspace\\pages\\blog" : "/testWorkspace/pages/blog")], context);
+		assert.deepStrictEqual(actual, ["./pages/blog"]);
+	});
+
+	test('resolveResourcesForSearchIncludes escapes paths with special characters', () => {
+		const actual = resolveResourcesForSearchIncludes([URI.file(isWindows ? "C:\\testWorkspace\\pages\\blog\\[postId]" : "/testWorkspace/pages/blog/[postId]")], context);
+		assert.deepStrictEqual(actual, ["./pages/blog/[[]postId[]]"]);
+	});
+});