actually, having used it a few times, I really like the 'interactivity' of projectile-replace

the ask each confirmation is nice to make sure all the changes are right

is there a way to define abbreviations that do NOT require spaces ? https://www.gnu.org/software/emacs/manual/html_node/emacs/Abbrevs.html defines an abbrev "foo" => "..." but then activate it requries pressing f o o [space] Is there a way to define 'abbrevs' taht can be activated by just typing f o o