2. Install Perl if necessary. On Windows, ActivePerl is standard but any dependency-free perl58.dll will work if you don't need any other perl modules. If you don't want a full install of perl, copy perl58.dll from Strawberry Perl 5.8.x into the folder vim.exe lives and the commands below will work. 3. Type :perldo s/searchme/replaceme/g Note: +perl/dyn doesn't seem to be necessary.