From 28344c19dbe10b5a339a02309bac937ac17731d4 Mon Sep 17 00:00:00 2001
From: kunj-sangani <sangani.kunj@gmail.com>
Date: Sat, 10 Apr 2021 16:54:05 +0530
Subject: [PATCH] #801 updated filename replacement logic

---
 src/services/SPService.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/services/SPService.ts b/src/services/SPService.ts
index 7807695b8..e5b8dea83 100644
--- a/src/services/SPService.ts
+++ b/src/services/SPService.ts
@@ -195,7 +195,9 @@ export default class SPService implements ISPService {
   public async addAttachment(listId: string, itemId: number, fileName: string, file: File, webUrl?: string): Promise<void> {
     try {
       // Remove special characters in FileName
-      fileName = fileName.replace(/[^\.\w\s\&\-]/gi, '');
+      //Updating the escape characters for filename as per the doucmentations 
+      //https://support.microsoft.com/en-us/kb/905231
+      fileName = fileName.replace(/[\~\#\%\&\*\{\}\\\:\<\>\?\/\+\|]/gi, '');
       // Check if attachment exists
       const fileExists = await this.checkAttachmentExists(listId, itemId, fileName, webUrl);
       // Delete attachment if it exists