Discord Text Formatting Userscript

// ==UserScript==
// @name         Discord Text Formatting
// @namespace    http://discordapp.com/
// @version      2
// @author       Huntereb
// @match        *://discordapp.com/*
// @require      http://code.jquery.com/jquery-latest.js
// ==/UserScript==

//Initial variables! Can be applied in-app with the insert key!

var beforeText = "";
var afterText = "";
var reparseQuotes = 0;
var paused = 0;

//Don't edit anything below here

function literalAddReturn (string) {
    var string2 = string.split('%r');
    var string3 = "";
    for(i = 0; i < string2.length; i++) {
        if (i !== string2.length - 1) string3 += string2[i] + "\r\n";
        else return string3 += string2[i];
    }
}

function applyBinds() {
    jQuery(textboxes).keypress(function (e) {
        if (paused == 1) return;
        if (e.shiftKey) return;
        if (e.which == '13') {
            for(i = 0; i < textboxes.length; i++) {
                var ourText = textboxes[i].value;
                var ourQuotes = '';
                var ptrn = /@.+?#[0-9]+/g;
                var match;
                while ( ( match = ptrn.exec(ourText) ) !== null ) {
                    ourQuotes += match + ' ';
                }
                if(!/\d/g.test(ourQuotes) || reparseQuotes === 0) {
                    ourQuotes = '';
                }
                textboxes[i].value = ourQuotes + beforeText + ourText + afterText;
            }
        }
    });
    jQuery(textboxes).keyup(function (e) {
        if (e.keyCode == 19) {
            if (paused == 1) paused = 0;
            else paused = 1;
        }
        if (e.keyCode == 45) {
            beforeText = literalAddReturn(prompt("Enter formatting before your text (%r for new line)", beforeText));
            afterText = literalAddReturn(prompt("Enter formatting after your text (%r for new line)", afterText));
            if(confirm("Parse quotes? (You don't need to unless you're using code tags)\r\nCancel = No")) reparseQuotes = 1;
            else reparseQuotes = 0;
        }
        if (e.keyCode == 36) {
            alert("Auto-Formatting Help:\r\nPAUSE (Pause key): Pause text formatting. Press it again to continue!\r\nINS (Insert key): Set formatting (resets to default on page refresh)\r\nYour current formatting: " + beforeText + "[Your text]" + afterText + "\r\nMade by Huntereb");
        }
    });
}

function start() {
    jQuery(textboxes).unbind();
    textboxes = document.getElementsByTagName('textarea');
    if (paused === 0) for(i = 0; i < textboxes.length; i++) textboxes[i].placeholder = 'Formatting in progress! Press "Home" for help!';
    else for(i = 0; i < textboxes.length; i++) textboxes[i].placeholder = 'Formatting paused! Press \"Pause\" key to continue!';
    applyBinds();
    setTimeout(start, 1000);
}

var textboxes;

start();