diff --git a/.gitignore b/.gitignore
index e1db484..1b891c7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 .venv/
+venv
 .pytest_cache/
 build/
 dist/
@@ -15,4 +16,4 @@ appsettings.json
 .ruff_cache
 .tool-versions
 .tox
-coverage.xml
+coverage.xml
\ No newline at end of file
diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 18c7e20..3f0f41d 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -15,7 +15,16 @@ e este projeto adere ao [Versionamento Semântico](https://semver.org/lang/pt-BR
 - Adicionar validação de Objetos [#31](https://github.com/fazedordecodigo/PyFlunt/issues/31)
 - Adicionar validação de Regex [#32](https://github.com/fazedordecodigo/PyFlunt/issues/32)
 - Adicionar validação de URL [#33](https://github.com/fazedordecodigo/PyFlunt/issues/33)
-- Adicionar Result Pattner [#61](https://github.com/fazedordecodigo/PyFlunt/issues/61)
+- Adicionar Result Pattern [#61](https://github.com/fazedordecodigo/PyFlunt/issues/61)
+- Refatorar FluntRegexPatterns [#129](https://github.com/fazedordecodigo/PyFlux/issues/129)
+
+## [2.3.1] - 2024-12-16
+### Adicionado
+- Refatoração para `get_pattern` em `CreditCardValidationContract` e `EmailValidationContract`.
+
+### Corrigido
+- Garantindo que os padrões regex retornem dados válidos para validações.
+- Refatorar FluntRegexPatterns [#129](https://github.com/fazedordecodigo/PyFlux/issues/129)
 
 ## [2.3.0] - 2024-03-17
 ### Adicionado
diff --git a/docs/CHANGELOG_EN.md b/docs/CHANGELOG_EN.md
index db7cd60..4099c9d 100644
--- a/docs/CHANGELOG_EN.md
+++ b/docs/CHANGELOG_EN.md
@@ -16,6 +16,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/lang/pt-BR/
 - Add Objects validation [#31](https://github.com/fazedordecodigo/PyFlunt/issues/31)
 - Add Regex validation [#32](https://github.com/fazedordecodigo/PyFlunt/issues/32)
 - Add URL validation [#33](https://github.com/fazedordecodigo/PyFlunt/issues/33)
+- Refactor `FluntRegexPatterns` [#129](https://github.com/fazedordecodigo/PyFlunt/issues/129)
+
+## [2.3.1] - 2024-12-16
+### Added
+- Refactor to use `get_pattern` in `CreditCardValidationContract` and `EmailValidationContract`.
+
+### Fixed
+- Ensure regex patterns return valid data for validations.
+- Refactor `FluntRegexPatterns` [#129](https://github.com/fazedordecodigo/PyFlunt/issues/129)
 
 ## [2.2.0] - 2024-03-13
 ### Added
diff --git a/flunt/localization/flunt_regex_patterns.py b/flunt/localization/flunt_regex_patterns.py
index 500e3fd..a6e699d 100644
--- a/flunt/localization/flunt_regex_patterns.py
+++ b/flunt/localization/flunt_regex_patterns.py
@@ -1,51 +1,17 @@
 """Module Flunt Regex Patterns."""
 
-REGEX_EMAIL = r"(^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$)"
-REGEX_PASSPORT = r"^(?!^0+$)[a-zA-Z0-9]{3,20}$"
-REGEX_ONLY_NUMBERS = r"^\d+$"
-REGEX_ONLY_LETTERS_AND_NUMBERS = r"[A-Za-z0-9_-]"
-REGEX_URL = r"^(http|https):(\/\/www\.|\/\/www\.|\/\/|\/\/)[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(:[0-9]{1,5})?(\/.*)?$|(http|https):(\/\/localhost:\d*|\/\/127\.([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5]))(:[0-9]{1,5})?(\/.*)?$"
-REGEX_CPF = r"^\d{3}\.?\d{3}\.?\d{3}-?\d{2}$"
-REGEX_CNPJ = r"^\d{2}\.?\d{3}\.?\d{3}/?\d{4}-?\d{2}$"
+REGEX_PATTERNS = {
+    "email": r"(^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$)",
+    "passport": r"^(?!^0+$)[a-zA-Z0-9]{3,20}$",
+    "only_numbers": r"^\d+$",
+    "only_letters_and_numbers": r"[A-Za-z0-9_-]",
+    "url": r"^(http|https):(\/\/www\.|\/\/www\.|\/\/|\/\/)[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(:[0-9]{1,5})?(\/.*)?$"
+           r"|(http|https):(\/\/localhost:\d*|\/\/127\.([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]"
+           r"|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5]))(:[0-9]{1,5})?(\/.*)?$",
+    "cpf": r"^\d{3}\.?\d{3}\.?\d{3}-?\d{2}$",
+    "cnpj": r"^\d{2}\.?\d{3}\.?\d{3}/?\d{4}-?\d{2}$",
+}
 
-
-class FluntRegexPatterns:
-    """
-    FluntRegexPatterns.
-
-    This class encapsulates commonly used regular expression patterns.
-    It provides attributes to access the regular expression patterns
-    related to CPF, CNPJ, email, URL, only numbers, only letters and numbers,
-    and passport.
-
-    Attributes
-    ----------
-    - cpf_regex_pattern: str
-            The regular expression pattern for CPF.
-    - cnpj_regex_pattern: str
-            The regular expression pattern for CNPJ.
-    - email_regex_pattern: str
-            The regular expression pattern for email.
-    - url_regex_pattern: str
-            The regular expression pattern for URL.
-    - only_number_regex_pattern: str
-            The regular expression pattern for only numbers.
-    - only_letters_and_numbers_regex_pattern: str
-            The regular expression pattern for only letters and numbers.
-    - passport_regex_pattern: str
-            The regular expression pattern for passport.
-    TODO: Alterar de classe para outra estrutura de dados.
-
-    """
-
-    def __init__(self) -> None:
-        """Initialize a new instance of the FluntRegexPatterns class."""
-        self.cpf_regex_pattern = REGEX_CPF
-        self.cnpj_regex_pattern = REGEX_CNPJ
-        self.email_regex_pattern = REGEX_EMAIL
-        self.url_regex_pattern = REGEX_URL
-        self.only_number_regex_pattern = REGEX_ONLY_NUMBERS
-        self.only_letters_and_numbers_regex_pattern = (
-            REGEX_ONLY_LETTERS_AND_NUMBERS
-        )
-        self.passport_regex_pattern = REGEX_PASSPORT
+def get_pattern(name: str) -> str | None:
+    """Retrieve a regex pattern by its name."""
+    return REGEX_PATTERNS.get(name)
\ No newline at end of file
diff --git a/flunt/validations/credit_card_validation_contract.py b/flunt/validations/credit_card_validation_contract.py
index deed48d..774d42c 100644
--- a/flunt/validations/credit_card_validation_contract.py
+++ b/flunt/validations/credit_card_validation_contract.py
@@ -5,7 +5,7 @@
 from typing_extensions import Self
 
 from flunt.constants.messages import IS_NOT_CREDIT_CARD
-from flunt.localization.flunt_regex_patterns import FluntRegexPatterns
+from flunt.localization.flunt_regex_patterns import get_pattern
 from flunt.notifications.notifiable import Notifiable
 
 
@@ -58,8 +58,10 @@ def is_credit_card(
         ```
 
         """
+        only_number_pattern = get_pattern("only_numbers")
+        
         if not re.match(
-            FluntRegexPatterns().only_number_regex_pattern,
+            only_number_pattern,
             value,
             re.IGNORECASE,
         ):
diff --git a/flunt/validations/email_validation_contract.py b/flunt/validations/email_validation_contract.py
index 4db1a76..53c3e97 100644
--- a/flunt/validations/email_validation_contract.py
+++ b/flunt/validations/email_validation_contract.py
@@ -6,7 +6,7 @@
 from typing_extensions import Self
 
 from flunt.constants.messages import IS_EMAIL, IS_NOT_EMAIL
-from flunt.localization.flunt_regex_patterns import FluntRegexPatterns
+from flunt.localization.flunt_regex_patterns import get_pattern
 from flunt.notifications.notifiable import Notifiable
 
 
@@ -24,8 +24,10 @@ def _valid_email(value) -> Union[re.Match[str], None]:
     `(Match[str] | None)`
 
     """
+    email_pattern = get_pattern("email")
+    
     return re.match(
-        FluntRegexPatterns().email_regex_pattern,
+        email_pattern,
         value,
         re.IGNORECASE,
     )
diff --git a/tests/conftest.py b/tests/conftest.py
index 34285bd..e1ffd49 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,6 +1,6 @@
 import pytest
 
-from flunt.localization.flunt_regex_patterns import FluntRegexPatterns
+from flunt.localization.flunt_regex_patterns import get_pattern
 from tests.mocks.entity.sample_entity import SampleEntity
 
 
@@ -11,6 +11,6 @@ def entity_mock() -> SampleEntity:
 
 
 @pytest.fixture(scope="module")
-def regex() -> FluntRegexPatterns:
-    """Fixture to return a FluntRegexPatterns instance."""
-    return FluntRegexPatterns()
+def regex() -> get_pattern:
+    """Fixture to return a get_pattern instance."""
+    return get_pattern()
diff --git a/tests/localization/test_flunt_regex_patterns.py b/tests/localization/test_flunt_regex_patterns.py
index ace216f..fecb791 100644
--- a/tests/localization/test_flunt_regex_patterns.py
+++ b/tests/localization/test_flunt_regex_patterns.py
@@ -1,11 +1,11 @@
 import re
-
 import pytest
+from flunt.localization.flunt_regex_patterns import get_pattern
+
 from faker import Faker
 
 fake = Faker("pt_BR")
 
-
 @pytest.mark.parametrize(
     ("value", "expect"),
     [
@@ -14,8 +14,9 @@
         (fake.name(), False),
     ],
 )
-def test_should_identify_a_valid_email_address(regex, value, expect):
-    result = re.match(regex.email_regex_pattern, value)
+def test_should_identify_a_valid_email_address(value, expect):
+    regex = get_pattern("email")
+    result = re.match(regex, value)
     assert isinstance(result, re.Match) is expect
 
 
@@ -28,8 +29,9 @@ def test_should_identify_a_valid_email_address(regex, value, expect):
         (fake.cnpj(), False),
     ],
 )
-def test_should_identify_a_valid_cpf(regex, value, expect):
-    result = re.match(regex.cpf_regex_pattern, value)
+def test_should_identify_a_valid_cpf(value, expect):
+    regex = get_pattern("cpf")
+    result = re.match(regex, value)
     assert isinstance(result, re.Match) is expect
 
 
@@ -42,8 +44,9 @@ def test_should_identify_a_valid_cpf(regex, value, expect):
         (fake.cpf(), False),
     ],
 )
-def test_should_identify_a_valid_cnpj(regex, value, expect):
-    result = re.match(regex.cnpj_regex_pattern, value)
+def test_should_identify_a_valid_cnpj(value, expect):
+    regex = get_pattern("cnpj")
+    result = re.match(regex, value)
     assert isinstance(result, re.Match) is expect
 
 
@@ -55,8 +58,9 @@ def test_should_identify_a_valid_cnpj(regex, value, expect):
         (fake.name(), False),
     ],
 )
-def test_should_identify_a_valid_url(regex, value, expect):
-    result = re.match(regex.url_regex_pattern, value)
+def test_should_identify_a_valid_url(value, expect):
+    regex = get_pattern("url")
+    result = re.match(regex, value)
     assert isinstance(result, re.Match) is expect
 
 
@@ -69,8 +73,9 @@ def test_should_identify_a_valid_url(regex, value, expect):
         (fake.ipv4_public(), False),
     ],
 )
-def test_should_identify_only_numbers(regex, value, expect):
-    result = re.match(regex.only_number_regex_pattern, value)
+def test_should_identify_only_numbers(value, expect):
+    regex = get_pattern("only_numbers")
+    result = re.match(regex, value)
     assert isinstance(result, re.Match) is expect
 
 
@@ -83,8 +88,9 @@ def test_should_identify_only_numbers(regex, value, expect):
         ("", False),
     ],
 )
-def test_should_identify_letters_and_numbers(regex, value, expect):
-    result = re.match(regex.only_letters_and_numbers_regex_pattern, value)
+def test_should_identify_letters_and_numbers(value, expect):
+    regex = get_pattern("only_letters_and_numbers")
+    result = re.match(regex, value)
     assert isinstance(result, re.Match) is expect
 
 
@@ -95,6 +101,7 @@ def test_should_identify_letters_and_numbers(regex, value, expect):
         (fake.name(), False),
     ],
 )
-def test_should_identify_a_valid_passport(regex, value, expect):
-    result = re.match(regex.passport_regex_pattern, value)
-    assert isinstance(result, re.Match) is expect
+def test_should_identify_a_valid_passport(value, expect):
+    regex = get_pattern("passport")
+    result = re.match(regex, value)
+    assert isinstance(result, re.Match) is expect
\ No newline at end of file