From d3619243c0e3ac800cbeef1f41bdb63092b3c83b Mon Sep 17 00:00:00 2001
From: Feross Aboukhadijeh <feross@feross.org>
Date: Tue, 4 Aug 2015 15:42:13 +0200
Subject: [PATCH] fix regression in PR #64

_ is an allowed character, used in "url safe" base 64, which node
supports
---
 index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.js b/index.js
index cf8a14c..7cd95fe 100644
--- a/index.js
+++ b/index.js
@@ -1290,7 +1290,7 @@ Buffer._augment = function _augment (arr) {
   return arr
 }
 
-var INVALID_BASE64_RE = /[^+\/0-9A-Za-z\-]/g
+var INVALID_BASE64_RE = /[^+\/0-9A-Za-z-_]/g
 
 function base64clean (str) {
   // Node strips out invalid characters like \n and \t from the string, base64-js does not
-- 
2.34.1