Parsing string with KB/MB/GB etc into numeric value

Question

In order not to invent bicycle I wonder if there is any library that is able to parse various representations of size string (MB,KB,TB,MiB,KiB,etc..) into numeric byte based value.

Answer 1

ActiveState Receipes has an example here , though this is just a snippet, and not a library as such.

The reason it isn't a library is due to the triviality of the task which user1227804 mentions in their comment.