1 (^|/)CVS($|/)
2 (^|/)\.hg($|/)
3 (^|/)\.hgtags($|/)
4 ^plan9.log$
5 ^plan9-reverse.log$
6 ^state$
7 ^state.old$
8 ^state.journal$
9 \.o$
10 \.a$
11 ^man/man[0-9]+/.*\.html$
12 ^src/.*/o\.[^/]+$
13 y.tab.[ch]$
14 ^src/cmd/rc/x.tab.h$
15 ^unix/.*\.tgz$
16 ^bin/
17 ^log/
18 ^dict/
19 ^postscript/font/