diff --git a/README.md b/README.md
index ffefffb..927ddda 100644
--- a/README.md
+++ b/README.md
@@ -49,6 +49,9 @@ if($validator->fails()){
 
 ## Release History
 
+* 0.3.1
+  * Sanitize value before validation
+  * CHANGE: Extract only digits (without mask chars) to validate
 * 0.3.0
   * Brazilian CNPJ
   * ADD: Brazilian CNPJ rule (`cnpj`)
diff --git a/src/Rules/Cnpj.php b/src/Rules/Cnpj.php
index 0d6af75..b8f918e 100644
--- a/src/Rules/Cnpj.php
+++ b/src/Rules/Cnpj.php
@@ -16,6 +16,9 @@ class Cnpj implements Rule
     public function passes($attribute, $value)
     {
         if(!$value) return true;  // Vazio, sem required antes
+
+        $value = preg_replace("/\D+/", "", $value); // Limpa máscara ( se houver )
+
         $digitsPattern = '/\d{14}/'; // Regex Padrão de 14 dígitos numéricos
         $repeatPattern = '/(\d)\1{13}/'; // regex Padrões repetidos: 00000000000000 11111111111111 etc
 
diff --git a/src/Rules/Cpf.php b/src/Rules/Cpf.php
index 44885a8..dd2fb2a 100644
--- a/src/Rules/Cpf.php
+++ b/src/Rules/Cpf.php
@@ -16,6 +16,9 @@ class Cpf implements Rule
     public function passes($attribute, $value)
     {
         if(!$value) return true;  // Vazio, sem required antes
+
+        $value = preg_replace("/\D+/", "", $value); // Limpa máscara ( se houver )
+
         $digitsPattern = '/\d{11}/'; // Regex Padrão de 11 dígitos numéricos
         $repeatPattern = '/(\d)\1{10}/'; // regex Padrões repetidos: 00000000000 11111111111 etc
 
diff --git a/src/Rules/MobileBr.php b/src/Rules/MobileBr.php
index 188056b..c16ce15 100644
--- a/src/Rules/MobileBr.php
+++ b/src/Rules/MobileBr.php
@@ -27,6 +27,9 @@ class MobileBr implements Rule
     public function passes($attribute, $value)
     {
         if(!$value) return true;  // Vazio, sem required antes
+
+        $value = preg_replace("/\D+/", "", $value); // Limpa máscara ( se houver )
+
         $digitsPattern = '/\d{11}/'; // Regex Padrão de 11 dígitos numéricos
         $repeatPattern = '/(\d)\1{10}/'; // regex Padrões repetidos: 00000000000 11111111111 etc