Change modifyLinks regex to match all valid URL characters, followed by a period, followed by a-zA-Z0-9

This should catch any legal URL with a file extension on the end

site/index.js

@@ -170,7 +170,7 @@ function handleLoad() {
 
 function modifyLinks() {
 	for (var ls = document.links, numLinks = ls.length, i=0; i<numLinks; i++){
-		if(ls[i].href.indexOf(location.protocol+'//'+location.host) !== -1 && ls[i].href.match(new RegExp(/\/\w+\.\w+$/)) === null) {
+		if(ls[i].href.indexOf(location.protocol+'//'+location.host) !== -1 && ls[i].href.match(new RegExp(/\/[A-Za-z0-9_\-~]+\.[A-Za-z0-9]+$/)) === null) {
 			//should be a regular link
 			ls[i].setAttribute('onclick', 'return internalLink(\"'+ls[i].href.substring((location.protocol+'//'+location.host).length)+'\")');
 		}