How to set padding for base64 encoding

[Suliman via Digitalmars-d-learn]

On Thursday, 7 April 2016 at 12:30:59 UTC, rikki cattermole wrote:
> On 08/04/2016 12:19 AM, Kagamin wrote:
>> Create a range that would remove the newline characters from 
>> string,
>> then decode from that.
>
> Can confirm, its \n and \r that is causing the problems here.

with:
std.file.write("output.png", Base64.decode(myimg.replace("\r\n", 
"")));

I am getting same issue. But it should remove all new lines...