ionisx/app/controllers/home.controller.js

angular.module('app')
    .controller('HomeController', ['$scope', '$state',
        function($scope, $state) {

            $scope.Data = {
                Input: "",
                Output: ""
            };

            $scope.questions = [];

            $scope.formatText = function(text)
            {
                return text.replace(/\$([^\$]+)\$/g, function($1, $2)
                {
                    return "\\(" + $2 + "\\)";
                })
            };

            $scope.convert = function()
            {
                $scope.questions = [];
                var input = $scope.Data.Input;
                $scope.Data.Output = "";

                var questions = input.split("\\section");
                questions.splice(0, 1);

                questions.forEach(function(questionStr)
                {
                    var question = {
                        Text: "",
                        Answers: []
                    };
                    var responses = questionStr.split("\\item");
                    question.Text = responses[0].replace(/^\*\{.*\}/, "")
                        .replace(/\\medskip/, "")
                        .replace(/\\begin\{.*\}/, "")
                        .trim();
                    question.Text = $scope.formatText(question.Text);
                    responses.splice(0, 1);

                    responses.forEach(function(answerStr) {
                        answerStr = answerStr.replace(/\\medskip/, "")
                            .replace(/\\end\{.*\}/, "")
                            .trim();
                        var a = answerStr.match(/^\[[^\]\[]+\]/)[0];
                        answerStr = answerStr.substring(a.length, answerStr.length);
                        answerStr = $scope.formatText(answerStr);
                        question.Answers.push({
                            Text: answerStr,
                            Correct: a.length != 4
                        })
                    });

                    $scope.questions.push(question);
                });

                /*var re = /\$[^$]+\$/g;
                console.log(input.match(re));*/
            };

    }]);