fix #75318

src/vs/editor/contrib/documentSymbols/outlineTree.ts

@@ -225,11 +225,11 @@ export class OutlineItemComparator implements ITreeSorter<OutlineItem> {
 
 		} else if (a instanceof OutlineElement && b instanceof OutlineElement) {
 			if (this.type === OutlineSortOrder.ByKind) {
-				return a.symbol.kind - b.symbol.kind || a.symbol.name.localeCompare(b.symbol.name);
+				return a.symbol.kind - b.symbol.kind || a.symbol.name.localeCompare(b.symbol.name, undefined, { numeric: true });
 			} else if (this.type === OutlineSortOrder.ByName) {
-				return a.symbol.name.localeCompare(b.symbol.name) || Range.compareRangesUsingStarts(a.symbol.range, b.symbol.range);
+				return a.symbol.name.localeCompare(b.symbol.name, undefined, { numeric: true }) || Range.compareRangesUsingStarts(a.symbol.range, b.symbol.range);
 			} else if (this.type === OutlineSortOrder.ByPosition) {
-				return Range.compareRangesUsingStarts(a.symbol.range, b.symbol.range) || a.symbol.name.localeCompare(b.symbol.name);
+				return Range.compareRangesUsingStarts(a.symbol.range, b.symbol.range) || a.symbol.name.localeCompare(b.symbol.name, undefined, { numeric: true });
 			}
 		}
 		return 0;