rw                169 ConcordanceKWIC.cpp         boost::u32regex rw;
rw                187 ConcordanceKWIC.cpp                     rw = boost::make_u32regex((qit->qexp1).c_str());
rw                188 ConcordanceKWIC.cpp                     word_tree->find_regex_tree_set(rw, twdvec, genrev);