Hello John

> >> After upgrading from boost 1.32 to boost 1.33.0, we get an exception
> >> in boost::regex_match. The exception is
> >>    std::runtime_error: Regular expression too big
> >> , and only under Win64/cl1400 and RHEL/gcc323
> >>
> >> Changing the regex slightly sometimes avoids the exception...
> >>
> >> Attached a small example, which can be used to reproduce the
> >> exception.
>
> Confirmed in 1.33.0, the issue has already been fixed in preparation of
> 1.33.1, but since that isn't available yet, one temporary fix would be to
> define BOOST_REGEX_RECURSIVE in boost/regex/user.hpp and rebuild everything.
> Otherwise grab a copy of current cvs for the "RC_1_33_0" branch.

In addition to defining BOOST_REGEX_RECURSIVE in 1.33.0 I also had to apply the attached patch in order to compile Boost under Windows x64.

Otherwise the compiler is unable to deduce the correct template parameter for std::min().

Best regards, Peter.