X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/040a541c74913c01ee3517273a7be30c510cc620..816764a283c2cbf2d41b4582113065922b99bd52:/sdk/go/blockdigest/blockdigest.go

diff --git a/sdk/go/blockdigest/blockdigest.go b/sdk/go/blockdigest/blockdigest.go
index a5a668f940..b9ecc45abc 100644
--- a/sdk/go/blockdigest/blockdigest.go
+++ b/sdk/go/blockdigest/blockdigest.go
@@ -1,3 +1,7 @@
+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: Apache-2.0
+
 // Stores a Block Locator Digest compactly. Can be used as a map key.
 package blockdigest
 
@@ -9,7 +13,7 @@ import (
 )
 
 var LocatorPattern = regexp.MustCompile(
-	"^[0-9a-fA-F]{32}\\+[0-9]+(\\+[A-Z][A-Za-z0-9@_-]+)*$")
+	"^[0-9a-fA-F]{32}\\+[0-9]+(\\+[A-Z][A-Za-z0-9@_-]*)*$")
 
 // Stores a Block Locator Digest compactly, up to 128 bits.
 // Can be used as a map key.