From 5361db9bd445b89daf9d3922cafd88d79578127c Mon Sep 17 00:00:00 2001
From: upstream <upstream@localhost>
Date: Fri, 4 Sep 2026 09:22:41 +0200
Subject: [PATCH] Upstream nette/utils state of the touched files before
 bb71d240dd

---
 src/Utils/Validators.php         | 21 ++++++++-------------
 tests/Utils/Validators.is().phpt | 19 -------------------
 2 files changed, 8 insertions(+), 32 deletions(-)

diff --git a/src/Utils/Validators.php b/src/Utils/Validators.php
index ef624eb..b11d7e1 100644
--- a/src/Utils/Validators.php
+++ b/src/Utils/Validators.php
@@ -137,9 +137,7 @@ class Validators
 	 */
 	public static function is(mixed $value, string $expected): bool
 	{
-		$items = explode('|', $expected);
-		for ($i = 0, $count = count($items); $i < $count; $i++) {
-			$item = $items[$i];
+		foreach (explode('|', $expected) as $item) {
 			if (str_ends_with($item, '[]')) {
 				if (is_iterable($value) && self::everyIs($value, substr($item, 0, -2))) {
 					return true;
@@ -154,16 +152,7 @@ class Validators
 			}
 
 			[$type] = $item = explode(':', $item, 2);
-			if ($type === 'pattern') {
-				// A pattern may contain pipes, so the rest belongs to it and must not be
-				// split into further validators.
-				$pattern = implode('|', array_merge(array_slice($item, 1), array_slice($items, $i + 1)));
-				if (Strings::match($value, '~^(?:' . $pattern . ')$~D')) {
-					return true;
-				}
-
-				break;
-			} elseif (isset(static::$validators[$type])) {
+			if (isset(static::$validators[$type])) {
 				try {
 					if (!static::$validators[$type]($value)) {
 						continue;
@@ -171,6 +160,12 @@ class Validators
 				} catch (\TypeError) {
 					continue;
 				}
+			} elseif ($type === 'pattern') {
+				if (Strings::match($value, '|^' . ($item[1] ?? '') . '$|D')) {
+					return true;
+				}
+
+				continue;
 			} elseif (!$value instanceof $type) {
 				continue;
 			}
diff --git a/tests/Utils/Validators.is().phpt b/tests/Utils/Validators.is().phpt
index 012c042..c15eaf4 100644
--- a/tests/Utils/Validators.is().phpt
+++ b/tests/Utils/Validators.is().phpt
@@ -259,25 +259,6 @@ test('validates string against a regular expression pattern', function () {
 });
 
 
-test('allows pipe inside a regular expression pattern', function () {
-	// grouped alternation, https://github.com/nette/utils/issues/206
-	Assert::true(Validators::is('a', 'pattern:(a|b)'));
-	Assert::true(Validators::is('b', 'pattern:(a|b)'));
-	Assert::false(Validators::is('c', 'pattern:(a|b)'));
-
-	// bare alternation must no longer throw and is anchored as a whole
-	Assert::true(Validators::is('a', 'pattern:a|b'));
-	Assert::true(Validators::is('b', 'pattern:a|b'));
-	Assert::false(Validators::is('c', 'pattern:a|b'));
-	Assert::false(Validators::is('ab', 'pattern:a|b'));
-
-	// a pattern combined with other validators
-	Assert::true(Validators::is(5, 'int|pattern:(a|b)'));
-	Assert::true(Validators::is('a', 'int|pattern:(a|b)'));
-	Assert::false(Validators::is('c', 'int|pattern:(a|b)'));
-});
-
-
 test('ensures alphanumeric string meets minimum length', function () {
 	Assert::false(Validators::is('', 'alnum'));
 	Assert::false(Validators::is('a-1', 'alnum'));