Awk is nice when I need something more complex than just a straight up 'grep' (And has support for both basic and Perl regex) but I really think that sed is the

Awk is nice when I need something more complex than just a straight up 'grep' (And has support for both basic and Perl regex) but I really think that sed is the best solution for almost all of the examples in just because of its readability vs standard regex and its power with streams.