InDesign Move to Pasteboard Script Tweak

Hi Adobe Community! I am trying to tweak a script in InDesign and am way out of my depth.  I have a script that will move all items to the pasteboard, but will ignore any JPGs TIFs or PDFs. Though I would like to utilize a script that will ignore everything except for PDFs (leave the document alone, but will pull all PDFs out to the pasteboard. I've fiddled with this a lot, but the original script I'm working with looks like this:

function myFunction() {
var moveGroup = [];
var myDoc = app.activeDocument;
var myPages = myDoc.pages;
var myItems, myGroup;

for (var p=0; p<myPages.length; p++) {
var thePage = myPages[p];
for (var i=0; i<thePage.pageItems.length; i++) {
var myItem = thePage.pageItems[i];
if (!myItem.hasOwnProperty("contentType")) {
moveGroup.push(myItem);
}
else {
if (myItem.contentType == ContentType.GRAPHIC_TYPE && myItem.images.length != 0) {
if (!myItem.images[0].itemLink.name.match(/\.(tif|jpg)$/gi)) {
moveGroup.push(myItem);
}
}
else if (myItem.contentType == ContentType.GRAPHIC_TYPE && myItem.pdfs.length != 0) {
if (!myItem.pdfs[0].itemLink.name.match(/\.(pdf)$/gi)) {
moveGroup.push(myItem);
}
}
else {
moveGroup.push(myItem);
}
}
}

if (moveGroup.length > 1) {
myGroup = myDoc.groups.add(moveGroup);
movePageItems(myGroup , thePage);
else if (moveGroup.length == 1) {
myGroup = moveGroup[0];
movePageItems(myGroup , thePage);
}
moveGroup = [];
}

Anyone able to point me to how I should rewrite those else statements? Thanks in advance!