From 5a49b99b8adc68d14431b5c121dc9b8377edff70 Mon Sep 17 00:00:00 2001
From: Alan Ren <alanren@microsoft.com>
Date: Fri, 9 Oct 2020 10:00:59 -0700
Subject: [PATCH] Fixes #106829 (#12849)

Co-authored-by: Eric Amodio <eamodio@microsoft.com>
---
 src/vs/base/browser/ui/dropdown/dropdownActionViewItem.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/vs/base/browser/ui/dropdown/dropdownActionViewItem.ts b/src/vs/base/browser/ui/dropdown/dropdownActionViewItem.ts
index 054813f782..8d793b3b35 100644
--- a/src/vs/base/browser/ui/dropdown/dropdownActionViewItem.ts
+++ b/src/vs/base/browser/ui/dropdown/dropdownActionViewItem.ts
@@ -62,7 +62,7 @@ export class DropdownMenuActionViewItem extends BaseActionViewItem {
 			let classNames: string[] = [];
 
 			if (typeof this.options.classNames === 'string') {
-				classNames = this.options.classNames.split(/\W+/g).filter(s => !!s);
+				classNames = this.options.classNames.split(/\s+/g).filter(s => !!s);
 			} else if (this.options.classNames) {
 				classNames = this.options.classNames;
 			}