From ec09f7e630d8d0431c732ad11414e1298399ee3d Mon Sep 17 00:00:00 2001
From: Kristof Van Cauwenbergh <kristof.vancauwenbergh@gmail.com>
Date: Fri, 29 Nov 2019 10:53:07 +0100
Subject: [PATCH] Label regex in date validator

---
 .../Component/Validator/Constraints/DateValidator.php     | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/Symfony/Component/Validator/Constraints/DateValidator.php b/src/Symfony/Component/Validator/Constraints/DateValidator.php
index 9590827103..c098928e51 100644
--- a/src/Symfony/Component/Validator/Constraints/DateValidator.php
+++ b/src/Symfony/Component/Validator/Constraints/DateValidator.php
@@ -21,7 +21,7 @@ use Symfony\Component\Validator\Exception\UnexpectedValueException;
  */
 class DateValidator extends ConstraintValidator
 {
-    const PATTERN = '/^(\d{4})-(\d{2})-(\d{2})$/';
+    const PATTERN = '/^(?<year>\d{4})-(?<month>\d{2})-(?<day>\d{2})$/';
 
     /**
      * Checks whether a date is valid.
@@ -61,7 +61,11 @@ class DateValidator extends ConstraintValidator
             return;
         }
 
-        if (!self::checkDate($matches[1], $matches[2], $matches[3])) {
+        if (!self::checkDate(
+          $matches['year'] ?? $matches[1],
+          $matches['month'] ?? $matches[2],
+          $matches['day'] ?? $matches[3]
+        )) {
             $this->context->buildViolation($constraint->message)
                 ->setParameter('{{ value }}', $this->formatValue($value))
                 ->setCode(Date::INVALID_DATE_ERROR)