From cccdd527519edb2ac53f6fac72c00722456de517 Mon Sep 17 00:00:00 2001
From: aesyondu <57334943+aesyondu@users.noreply.github.com>
Date: Tue, 25 Feb 2020 09:25:23 +0800
Subject: [PATCH] Add RegExp check to allow class extension

Co-Authored-By: Joel Einbinder <joel.einbinder@gmail.com>
---
 src/helper.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/helper.ts b/src/helper.ts
index cef51462ba..1fffceff56 100644
--- a/src/helper.ts
+++ b/src/helper.ts
@@ -99,7 +99,7 @@ class Helper {
   }
 
   static isRegExp(obj: any): obj is RegExp {
-    return Object.prototype.toString.call(obj) === '[object RegExp]';
+    return obj instanceof RegExp || Object.prototype.toString.call(obj) === '[object RegExp]';
   }
 
   static async waitForEvent(