Function groupQuantifier

third_party/inputmask/inputmask.js:526–532

(matches)

                  case opts.alternatormarker:
                    function groupQuantifier(matches) {
                        var lastMatch = matches.pop();
                        if (lastMatch.isQuantifier) {
                            lastMatch = groupify([ matches.pop(), lastMatch ]);
                        }
                        return lastMatch;
                    }
                    if (openenings.length > 0) {
                        currentOpeningToken = openenings[openenings.length - 1];
                        var subToken = currentOpeningToken.matches[currentOpeningToken.matches.length - 1];