diff --git a/src/Symfony/Component/Validator/CHANGELOG.md b/src/Symfony/Component/Validator/CHANGELOG.md
index 88b152ed8dc31..ca83f3af0a3f1 100644
--- a/src/Symfony/Component/Validator/CHANGELOG.md
+++ b/src/Symfony/Component/Validator/CHANGELOG.md
@@ -5,6 +5,7 @@ CHANGELOG
 ---
 
  * Add `Uuid::TIME_BASED_VERSIONS` to match that a UUID being validated embeds a timestamp
+ * Add the `pattern` parameter in violations of the `Regex` constraint
 
 6.2
 ---
diff --git a/src/Symfony/Component/Validator/Constraints/RegexValidator.php b/src/Symfony/Component/Validator/Constraints/RegexValidator.php
index 177fcb69cd107..b31431bedd20d 100644
--- a/src/Symfony/Component/Validator/Constraints/RegexValidator.php
+++ b/src/Symfony/Component/Validator/Constraints/RegexValidator.php
@@ -47,6 +47,7 @@ public function validate(mixed $value, Constraint $constraint)
         if ($constraint->match xor preg_match($constraint->pattern, $value)) {
             $this->context->buildViolation($constraint->message)
                 ->setParameter('{{ value }}', $this->formatValue($value))
+                ->setParameter('{{ pattern }}', $constraint->pattern)
                 ->setCode(Regex::REGEX_FAILED_ERROR)
                 ->addViolation();
         }
diff --git a/src/Symfony/Component/Validator/Tests/Constraints/RegexValidatorTest.php b/src/Symfony/Component/Validator/Tests/Constraints/RegexValidatorTest.php
index 166de5aa95827..267edf0c1bcdd 100644
--- a/src/Symfony/Component/Validator/Tests/Constraints/RegexValidatorTest.php
+++ b/src/Symfony/Component/Validator/Tests/Constraints/RegexValidatorTest.php
@@ -118,6 +118,7 @@ public function testInvalidValues($value)
 
         $this->buildViolation('myMessage')
             ->setParameter('{{ value }}', '"'.$value.'"')
+            ->setParameter('{{ pattern }}', '/^[0-9]+$/')
             ->setCode(Regex::REGEX_FAILED_ERROR)
             ->assertRaised();
     }
@@ -133,6 +134,7 @@ public function testInvalidValuesNamed($value)
 
         $this->buildViolation('myMessage')
             ->setParameter('{{ value }}', '"'.$value.'"')
+            ->setParameter('{{ pattern }}', '/^[0-9]+$/')
             ->setCode(Regex::REGEX_FAILED_ERROR)
             ->assertRaised();
     }