Index: trunk/admin/editor/cmseditor/editor/filemanager/browser/default/frmresourceslist.html
===================================================================
diff -u -N -r6855 -r10940
--- trunk/admin/editor/cmseditor/editor/filemanager/browser/default/frmresourceslist.html	(.../frmresourceslist.html)	(revision 6855)
+++ trunk/admin/editor/cmseditor/editor/filemanager/browser/default/frmresourceslist.html	(.../frmresourceslist.html)	(revision 10940)
@@ -251,7 +251,7 @@
 			var sp = file_name.replace(/\\/g, '\/');
 			sp=sp.split("/");
 			file_name = sp[sp.length-1];
-			var re = /^([\/a-zA-Z0-9\(\)_\.-]+)$/
+			var re = /^[a-zA-Z0-9\_\-\s\.]+$/;
 
 			if (!re.test(file_name)) {
 				alert('Please name your files to be web-friendly. We recommend using only these characters in file names:'+"\n"+