ftp://debian.lcs.mit.edu/pub/debian-amd64/debian-amd64/pool/main/f/flex/  direct

62 B  2005-02-28flex_2.5.33.orig.tar.gz  29 mirrors
62 B  2004-09-09flex_2.5.31.orig.tar.gz  29 mirrors
263.15 KB  2005-07-04flex_2.5.31-31sarge1_amd64.deb  info  browse  146 mirrors
 flex - A fast lexical analyzer generator.
 /Main/Debian/amd64/devel/

63 B  2005-08-16flex_2.5.31-31sarge1.dsc  27 mirrors
67 B  2005-08-16flex_2.5.31-31sarge1.diff.gz  27 mirrors
71 B  2005-08-16flex-doc_2.5.31-31sarge1_all.deb  28 mirrors