Re: [Boost-Users] Regex++ bug?

From: John Maddock (john_maddock_at_[hidden])
Date: 2003-03-14 06:53:43

> Here is a test case.
> 
> 
> int main(int argc, char* argv[])
> {
>     boost::regex expression;
>     std::string asFind[5];
> 
>     expression.assign("(?!foo)bar", boost::regbase::perl);
> 
>     asFind[0] = "foobar";
>     asFind[1] = "??bar";
>     asFind[2] = "barfoo";
>     asFind[3] = "bar??";
>     asFind[4] = "bar";
> 
>     for( int i = 0; i < 5; i++ ){
>         std::string s = asFind[i];
>         std::string::const_iterator start = s.begin();
>         std::string::const_iterator end = s.end();
>         boost::match_results<std::string::const_iterator> subexp;
>         if (boost::regex_search( start, end, subexp, expression,
> boost::match_default)) {
>             printf( "%s - Found.\n", s.c_str() );
>         }
>         else {
>             printf( "%s - Not Found.\n", s.c_str() );
>         }
>     }
>     return 0;
> }
> 
> 
> The output is:
> 
> foobar - Not Found.
> ??bar - Not Found.
> barfoo - Found.
> bar?? - Found.
> bar - Found.
> 
> 
> However, all the words should be "Found".
> Thank you for your time in advance.

Yes they should, it will be fixed in cvs shortly, thanks!

John.