I tested it now and indeed bytes patterns work on memoryview objects. But how do I use this to scan for patterns through a stream without loading it to memory?

On Sun, Oct 7, 2018 at 4:24 PM <2015@jmunch.dk> wrote:
On 18-10-07 15.11, Ram Rachum wrote:

 > Unfortunately, it's not helpful. I was developing a solution similar
to yours before I came to the conclusion that a multilne regex would be
more elegant.

How about memory mapping your 1GB file?

bytes patterns work on memoryviews.

regards, Anders