diff --git a/src/vs/base/common/search.ts b/src/vs/base/common/search.ts
index 3d036494cc29a..250b530c175ad 100644
--- a/src/vs/base/common/search.ts
+++ b/src/vs/base/common/search.ts
@@ -7,6 +7,11 @@ import * as strings from './strings.js';
 
 export function buildReplaceStringWithCasePreserved(matches: string[] | null, pattern: string): string {
 	if (matches && (matches[0] !== '')) {
+		// A caseless match has no case to preserve, so use the pattern as-is.
+		if (matches[0].toLowerCase() === matches[0].toUpperCase()) {
+			return pattern;
+		}
+
 		const containsHyphens = validateSpecificSpecialCharacter(matches, pattern, '-');
 		const containsUnderscores = validateSpecificSpecialCharacter(matches, pattern, '_');
 		if (containsHyphens && !containsUnderscores) {
diff --git a/src/vs/editor/contrib/find/test/browser/replacePattern.test.ts b/src/vs/editor/contrib/find/test/browser/replacePattern.test.ts
index 26c65b3d8be8a..7b7ab95235d8d 100644
--- a/src/vs/editor/contrib/find/test/browser/replacePattern.test.ts
+++ b/src/vs/editor/contrib/find/test/browser/replacePattern.test.ts
@@ -219,6 +219,11 @@ suite('Replace Pattern test', () => {
 		assertReplace(['Foo_Bar-abc'], 'newfoo_newbar-abc', 'Newfoo_newbar-abc');
 		assertReplace(['foo_Bar'], 'newfoo_newbar', 'newfoo_Newbar');
 		assertReplace(['Foo_BAR'], 'newfoo_newbar', 'Newfoo_NEWBAR');
+		// #192168 - matches without any cased characters have no case to preserve
+		assertReplace(['()'], 'fontSize: 20', 'fontSize: 20');
+		assertReplace(['123'], 'Def', 'Def');
+		assertReplace(['!'], 'someValue', 'someValue');
+		assertReplace(['ABC-123'], 'Def-someValue', 'DEF-someValue');
 	});
 
 	test('preserve case', () => {
@@ -250,5 +255,10 @@ suite('Replace Pattern test', () => {
 		assertReplace(['Foo_Bar-abc'], 'newfoo_newbar-abc', 'Newfoo_newbar-abc');
 		assertReplace(['foo_Bar'], 'newfoo_newbar', 'newfoo_Newbar');
 		assertReplace(['foo_BAR'], 'newfoo_newbar', 'newfoo_NEWBAR');
+		// #192168 - matches without any cased characters have no case to preserve
+		assertReplace(['()'], 'fontSize: 20', 'fontSize: 20');
+		assertReplace(['123'], 'Def', 'Def');
+		assertReplace(['!'], 'someValue', 'someValue');
+		assertReplace(['ABC-123'], 'Def-someValue', 'DEF-someValue');
 	});
 });