Search should not select any sources by default

lib/providers/apps_provider.dart

@@ -70,7 +70,6 @@ class DownloadedXApkDir {
 }
 
 List<String> generateStandardVersionRegExStrings() {
-  // TODO: Look into RegEx for non-Latin characters / non-Arabic numerals
   var basics = [
     '[0-9]+',
     '[0-9]+\\.[0-9]+',
@@ -78,7 +77,7 @@ List<String> generateStandardVersionRegExStrings() {
     '[0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+'
   ];
   var preSuffixes = ['-', '\\+'];
-  var suffixes = ['alpha', 'beta', 'ose'];
+  var suffixes = ['alpha', 'beta', 'ose', '[0-9]+'];
   var finals = ['\\+[0-9]+', '[0-9]+'];
   List<String> results = [];
   for (var b in basics) {

lib/providers/settings_provider.dart

@@ -470,7 +470,7 @@ class SettingsProvider with ChangeNotifier {
   }
 
   List<String> get searchDeselected {
-    return prefs?.getStringList('searchDeselected') ?? [];
+    return prefs?.getStringList('searchDeselected') ?? SourceProvider().sources.map((s) => s.name).toList();
   }
 
   set searchDeselected(List<String> list) {