function generate() {
        var text = args.join(' ');
        var lower = text.toLowerCase();

        var pattern = /^[a-zA-Z0-9 ]+$/;
        var numbers = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9'];
        var gut = pattern.test(lower);

        if (!gut) {
            alert("Only normal characters allowed.");
            return;
        }

        var output = "";

        for (var i = 0; i < lower.length; i++) {
            var char = lower.charAt(i);

            if (char == " ") {
                output += char;
            } else if (numbers.includes(char)) {
                output += numberToString(char);
            } else {
                output += ":regional_indicator_" + char + ": ";
            }
        }

        function numberToString(number) {
            let ret = "";

            switch (number) {
                case '1':
                    ret = ":one: ";
                    break;
                case '2':
                    ret = ":two: ";
                    break;
                case '3':
                    ret = ":three: ";
                    break;
                case '4':
                    ret = ":four: ";
                    break;
                case '5':
                    ret = ":five: ";
                    break;
                case '6':
                    ret = ":six: ";
                    break;
                case '7':
                    ret = ":seven: ";
                    break;
                case '8':
                    ret = ":eight: ";
                    break;
                case '9':
                    ret = ":nine: ";
                    break;
                case '0':
                    ret = ":zero: ";
                    break;
            }
            return ret;
        }

        message.channel.send(output);

    }