\b(((((one|t((en)|(wo)|(hree)|(welve)|(hirteen))|(evelen)|(f((our)|(ive))|s((ix)|(even))|eight|nine)(teen)?))\b(\s+hundred\s*)?)| ((t((wen)|(hir))|f((or)|(if))|s((ix)|(even))|eigh|nin)ty)(-(one|t((wo)|(hree))|f((our)|(ive))|s((ix)|(even))|eight|nine))?) (\s*(hundred|thousand|((([mb]|(t|quad)r))illion))\s*(and\s+)?)?)+ |
