grep -v. I use it all the time. But I am also doing some text processing in python, and there is one crucial thing that I lack.
Usually, I use
grep -v to take extraneous stuff out of text.
$grep -v [a-z] (confirms that I don't want those lines) $grep [a-z] > linesiwanted
But how do I match the complement of a regex in Python? For instance, the complement of