$ cat junk pl #### $ cat junk2 pl #### $ perl -nE 'say +(/p.{2,6}/) ? "match" : "no match"' junk match #### $ perl -nE 'say +(/p.{2,6}/) ? "match" : "no match"' junk2 no match #### $ cat -vet junk pl^M$ #### $ cat -vet junk2 pl$