If there's a lot of them likely that a script could do a global search and replace. Probably lost now, but Chris McCormick or Hans once helped me with a Pd parser for replacing all instances of [ead~] with a vanilla substitute. IIRC it was all bash + awk + grep
Let's see what Mario is fiddling with. In some cases just opening a patch in a decent plain text editor (such as vim, hehe) and doing a find and replace can help as well.