diff --git a/hoverzoom.js b/hoverzoom.js
index 760bd2e..5c72bd2 100644
--- a/hoverzoom.js
+++ b/hoverzoom.js
@@ -312,7 +312,7 @@ var hoverZoom = {
 				titledElement.parents('[title]').andSelf().add('[title]').removeAttr('title');
 			} else {
 				var alt = link.attr('alt') || link.find('[alt]').attr('alt');
-				if (alt && alt.length > 6 && !/^[0-9]+$/.test(alt)) {
+				if (alt && alt.length > 6 && !/^\d+$/.test(alt)) {
 					link.data('hoverZoomCaption', alt);
 				}
 			}
diff --git a/plugins/cnet.js b/plugins/cnet.js
index 87f0e7c..7f5f347 100644
--- a/plugins/cnet.js
+++ b/plugins/cnet.js
@@ -7,8 +7,8 @@ hoverZoomPlugins.push( {
 	version: '0.1',
 	prepareImgLinks: function(callback) {
 		var res = [],
-			filter1 = /^(.*)_[0-9]+x[0-9]+\.(jpg|png|gif).*$/i,
-			//filter2 = /^(.*\/cnwk\..*\/[0-9]+-[0-9]+)-[0-9]+-(.*)\.(jpg|png|gif).*$/i,
+			filter1 = /^(.*)_\d+x\d+\.(jpg|png|gif).*$/i,
+			//filter2 = /^(.*\/cnwk\..*\/\d+-\d+)-\d+-(.*)\.(jpg|png|gif).*$/i,
 			imgs = $('a img[src*=i.com.com]');
 			
 		imgs.each(function() {
diff --git a/plugins/gawker.js b/plugins/gawker.js
index 775e1d3..318e7cb 100644
--- a/plugins/gawker.js
+++ b/plugins/gawker.js
@@ -11,8 +11,8 @@ hoverZoomPlugins.push( {
 			var img = $(this),
 				url = hoverZoom.getThumbUrl(this);
 			if (!url) {	return;	}
-			url = url.replace(/\/([0-9]+x[0-9]*|gallery)_/, '/');
-			if (img.hasClass('avatar')) { url = url.replace(/_[0-9]+\./, '_160.'); }
+			url = url.replace(/\/(\d+x\d*|gallery)_/, '/');
+			if (img.hasClass('avatar')) { url = url.replace(/_\d+\./, '_160.'); }
 			url = url.substr(0, url.lastIndexOf('.'));
 			img.data('hoverZoomSrc', [url + '.jpg', url + '.png', url + '.gif', url]);
 			res.push(img);
diff --git a/plugins/threadless.js b/plugins/threadless.js
index a3e994e..6306087 100644
--- a/plugins/threadless.js
+++ b/plugins/threadless.js
@@ -10,12 +10,12 @@ hoverZoomPlugins.push( {
 		hoverZoom.urlReplace(res, 
 			//'a[href*=/product/] img[src*=threadlesskids], a.thumblink img, a[href^=/gallery/] img, img.product',
 			'img[src*=-minizoom], img[src*=-view]',
-			/product\/[0-9]+x[0-9]+\/([0-9]+)-/,
+			/product\/\d+x\d+\/(\d+)-/,
 			'product/$1/'
 		);	
 		hoverZoom.urlReplace(res, 
 			'a[href*=/product/] img',
-			/[0-9]+x[0-9]+/,
+			/\d+x\d+/,
 			'636x460'
 		);	
 		$('td').filter(function() {
@@ -31,7 +31,7 @@ hoverZoomPlugins.push( {
 		$('img[src*=/profiles/]:not([src*=noimage]), img[src*=teeriffic], .product_image').each(function() {
 			var _this = $(this), 
 				url = hoverZoom.getThumbUrl(this);
-			url = url.replace(/\/[0-9]+x[0-9]+/, '');
+			url = url.replace(/\/\d+x\d+/, '');
 			url = url.substr(0, url.lastIndexOf('.'));
 			_this.data('hoverZoomSrc', [url + '.jpg', url + '.gif', url + '.png']);
 			res.push(_this);
diff --git a/plugins/wikipedia.js b/plugins/wikipedia.js
index 743698c..2be4c9f 100644
--- a/plugins/wikipedia.js
+++ b/plugins/wikipedia.js
@@ -21,10 +21,7 @@ hoverZoomPlugins.push( {
 				}
 				var srcs = [];
 				if (!options.showHighRes) {
-					srcs.push(src.replace(/\/[0-9]+px-/, '/800px-'));
-					srcs.push(src.replace(/\/[0-9]+px-/, '/600px-'));
-					srcs.push(src.replace(/\/[0-9]+px-/, '/400px-'));
-					srcs.push(src.replace(/\/[0-9]+px-/, '/200px-'));
+					srcs.push(src.replace(/\/\d+px-/, '/800px-'));
 				}
 				srcs.push(src.substring(0, src.indexOf(ext) + ext.length).replace(/thumb\//, ''));
 				$(this).data('hoverZoomSrc', srcs);