Re: [Boost-users] Regex alternation in xpressive

On Thu, Mar 11, 2010 at 2:29 AM, Surya Kiran Gullapalli wrote:

    >> ("st"|"nd"|"rd"|"th") ;

That is because "st"|"nd"|etc... you are trying to 'or' two string constants, that makes no sense in C++. You need to 'infect' the whole line by wrapping the first one with as_xpr as:     >> (as_xpr("st")|"nd"|"rd"|"th") ;