From 3792c89fbd9932761cb61efb52facd646c0608b8 Mon Sep 17 00:00:00 2001
From: Abe Jellinek <jellinek@berkeley.edu>
Date: Tue, 12 Apr 2022 15:45:50 -0700
Subject: [PATCH] Allow >4 numbers after the decimal point in Dewey

https://github.com/zotero/zotero/pull/2538#issuecomment-1097292396
---
 chrome/content/zotero/itemTree.jsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/chrome/content/zotero/itemTree.jsx b/chrome/content/zotero/itemTree.jsx
index 8b3e755dc5..3b8551ffa2 100644
--- a/chrome/content/zotero/itemTree.jsx
+++ b/chrome/content/zotero/itemTree.jsx
@@ -1354,7 +1354,7 @@ var ItemTree = class ItemTree extends LibraryTree {
 				}
 
 				if (sortField == 'callNumber') {
-					let deweyRe = /^(\d{3})(?:\.(\d{1,4}))?(?:\/([a-zA-Z]{3}))?$/;
+					let deweyRe = /^(\d{3})(?:\.(\d+))?(?:\/([a-zA-Z]{3}))?$/;
 					let splitA = fieldA.toLowerCase().replace(/\s/g, '').match(deweyRe);
 					let splitB = fieldB.toLowerCase().replace(/\s/g, '').match(deweyRe);
 					if (splitA && splitB) {