It'll load as much as it needs to in order to match or rule out a match on a pattern. If you'd try to match `a.*b` it'll load the whole thing. The use cases that are relevant to a stream wouldn't have these kinds of problems.
On Sat, Oct 6, 2018 at 11:22 AM Serhiy Storchaka <storch...@gmail.com> wrote: > 06.10.18 10:22, Ram Rachum пише: > > I'd like to use the re module to parse a long text file, 1GB in size. I > > wish that the re module could parse a stream, so I wouldn't have to load > > the whole thing into memory. I'd like to iterate over matches from the > > stream without keeping the old matches and input in RAM. > > How would you match 'a.*b' without loading the whole thing into memory? > > _______________________________________________ > Python-ideas mailing list > Python-ideas@python.org > https://mail.python.org/mailman/listinfo/python-ideas > Code of Conduct: http://python.org/psf/codeofconduct/ >
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