Add util extensions again in the lib + add missing function

@@ -31,6 +31,7 @@ extension GetStringUtils on String {
   bool get isPalindrom => GetUtils.isPalindrom(this);
   bool get isPassport => GetUtils.isPassport(this);
   bool get isCurrency => GetUtils.isCurrency(this);
+  bool isCpf(String s) => GetUtils.isCpf(this);
   bool isCaseInsensitiveContains(String b) =>
       GetUtils.isCaseInsensitiveContains(this, b);
   bool isCaseInsensitiveContainsAny(String b) =>

@@ -2,3 +2,4 @@ export 'src/context_extensions/extensions.dart';
 export 'src/queue/get_queue.dart';
 export 'src/platform/platform.dart';
 export 'src/regex/get_utils.dart';
+export 'src/regex/get_utils_extensions.dart';