Not continually, no.
See:
local thread" Continual Lifelong Learning Paper Review / Jeff Hawkins on Grid Cell Modules - February
or google “continual learning”, check how it goes.
There was the “vowpal wabbit” once working with text continually, but generally - continual is not solved.
Don’t even start with your beloved gradients. There are about 100 metrics comparing strings (google), non would work continually and/or on long strings.
I answer that at the bottom of the thread.