Что обозначают ошибки?
Reference to nonexistent group in regex; marked by <-- HERE in m/http://www.mydiet.ru/\\2004\\1 <-- HERE \\md302.htm/ at ram.pl line 13.
Nested quantifiers in regex; marked by <-- HERE in m/http://job.pionerpress.ru/rfc/C-C++ <-- HERE /Unix98/xbd/glossary.html/ at ram.pl line 13.