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commit c5061de7820d5eca50cc9363a4d0c83438ffe635
parent cff1bac7b9922b1a91eb23a67f6a1a93803c8cd4
Author: aurimasv <aurimas.dev@gmail.com>
Date:   Sat, 22 Sep 2012 18:43:13 -0500

Fix cleanDOI

Diffstat:
M
chrome/content/zotero/xpcom/utilities.js
 | 
5
+++--

1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/chrome/content/zotero/xpcom/utilities.js b/chrome/content/zotero/xpcom/utilities.js
@@ -261,8 +261,9 @@ Zotero.Utilities = {
 		if(typeof(x) != "string") {
 			throw "cleanDOI: argument must be a string";
 		}
-		
-		return x.match(/10\.[0-9]{4,}\/[^\s]*[^\s\.,]/)[0];
+
+		var doi = x.match(/10\.[0-9]{4,}\/[^\s]*[^\s\.,]/);
+		return doi ? doi[0] : null;
 	},
 
 	/**