fix regression in PR #64

_ is an allowed character, used in "url safe" base 64, which node
supports

diff --git a/index.js b/index.js
index cf8a14c89e839fa972989423f19926eca8b9b2bc..7cd95fee978cef2e7503dfe3313f61040b01f2aa 100644 (file)
--- 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