This change is only for updating the model regexp of CopySource which is not for validation but only for documentation and user guide change.

Author: aws-sdk-dotnet-automation

generator/ServiceModels/s3/s3-2006-03-01.api.json

@@ -2293,7 +2293,7 @@
     },
     "CopySource":{
       "type":"string",
-      "pattern":"\\/.+\\/.+"
+      "pattern":"\\/?.+\\/.+"
     },
     "CopySourceIfMatch":{"type":"string"},
     "CopySourceIfModifiedSince":{"type":"timestamp"},