Re: [Boost-users] question on boost::regex expression(query);

2 Oct 2007


      Sorry, I posted this later:

Info: resolving vtable for boost::regex_errorby linking to 
__imp___ZTVN5boost11regex_errorE (auto-import)

while trying to link against
boost_regex-gcc-mt-1_33_1
and
cygboost_regex-gcc-mt-1_33_1.dll
using
$ g++ -v
Reading specs from /usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/specs
Configured with: /gcc/gcc-3.3.3-3/configure --verbose --prefix=/usr 
--exec-prefi
x=/usr --sysconfdir=/etc --libdir=/usr/lib --libexecdir=/usr/lib 
--mandir=/usr/s
hare/man --infodir=/usr/share/info 
--enable-languages=c,ada,c++,d,f77,java,objc,
pascal --enable-nls --without-included-gettext --enable-libgcj 
--with-system-zli
b --enable-interpreter --enable-threads=posix --enable-java-gc=boehm 
--enable-sj
lj-exceptions --disable-version-specific-runtime-libs 
--disable-win32-registry
Thread model: posix
gcc version 3.3.3 (cygwin special)
...
From: "John Maddock" 
Reply-To: boost-users@lists.boost.org
To: 
Subject: Re: [Boost-users] question on boost::regex expression(query);
Date: Tue, 2 Oct 2007 15:44:38 +0100
Mike Marchywka wrote:
...
...
...
Variable length look-behind isn't support by Boost.Regex (or by
Perl for that matter).
Sorry I can't be more helpful at present: although it seems as
though lookbehind isn't really needed in this case - you could
remove the lookbehind and use a marked sub-expression to identify
the section you want instead.
The subexpression was the whole point of trying boost so I will
assume you are right and continue. However, the inability to catch
the problem with (...) combined with
the linker comment made me a little concerned about the build
accuracy.
Sorry, what linker comment?
The thrown boost::regex_error is caught OK for me (on VC8), which compiler
are you using?  You could try catching by const reference instead to see if
that helps at all...
HTH, John.
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