# The default url filter.
# Better for whole-internet crawling.

# Each non-comment, non-blank line contains a regular expression
# prefixed by '+' or '-'.  The first matching pattern in the file
# determines whether a URL is included or ignored.  If no pattern
# matches, the URL is ignored.

# skip file: ftp: and mailto: urls
-^(?:file|ftp|mailto):

# skip image and other suffixes we can't yet parse
-(?i)\.(?:gif|jpg|ico|css|sit|eps|wmf|zip|ppt|mpg|xls|gz|rpm|tgz|mov|exe)$

# skip URLs containing certain characters as probable queries, etc.
-[?*!@=]

# skip URLs with slash-delimited segment that repeats 3+ times, to break loops
-.*(/.+?)/.*?\1/.*?\1/

# accept anything else
+.
