mån 2010-06-21 klockan 06:25 +0000 skrev GIGO .: > Hi Amos, > > There is still some confusion regarding regex and any help will be great please. > > > you told that squid uses posix regex but is it BRE or ERE??? Extended. > as for ERE according to my best understanding special characters are > not required to be escaped and if escaped then will lose there special > meaning and on the contrary in BRE some special characters like ( ) > must be escaped otherwise they will be treated as literals. Correct. > If the regex processor is built on the squid itself or it is using the os default regex parser? Generall the os default regex implementation. Squid also ships with a copy of GNU Regex in case the OS regex implemetation to too broken. Regards Henrik