Malformed UTF-8 character (unexpected continuation byte 0xbb, with no preceding start byte) in substitution (s///) at foo.pl line 2. Malformed UTF-8 character (unexpected continuation byte 0xbf, with no preceding start byte) in substitution (s///) at foo.pl line 2. Malformed UTF-8 character (unexpected continuation byte 0xbf, with no preceding start byte) in substitution (s///) at foo.pl line 2.