From edf79f67057687bd346705370779fa71a850edad Mon Sep 17 00:00:00 2001
From: Lauri Eskola <lauri.eskola@acquia.com>
Date: Sat, 29 Jul 2023 16:33:50 +0300
Subject: [PATCH] Issue #3376572 by Lendude, fnalb2, cilefen, longwave:
 SortPluginBase.php / validateExposeForm: spelling mistake in character class

---
 core/modules/views/src/Plugin/views/sort/SortPluginBase.php  | 2 +-
 .../views_ui/tests/src/Functional/ExposedFormUITest.php      | 5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/core/modules/views/src/Plugin/views/sort/SortPluginBase.php b/core/modules/views/src/Plugin/views/sort/SortPluginBase.php
index fcac77e013e..bd6cad5a163 100644
--- a/core/modules/views/src/Plugin/views/sort/SortPluginBase.php
+++ b/core/modules/views/src/Plugin/views/sort/SortPluginBase.php
@@ -230,7 +230,7 @@ abstract class SortPluginBase extends HandlerBase implements CacheableDependency
       'expose',
       'field_identifier',
     ]);
-    if (!preg_match('/^[a-zA-z][a-zA-Z0-9_~.\-]*$/', $field_identifier)) {
+    if (!preg_match('/^[a-zA-Z][a-zA-Z0-9_~.\-]*$/', $field_identifier)) {
       $form_state->setErrorByName('expose][field_identifier', $this->t('This identifier has illegal characters.'));
       return;
     }
diff --git a/core/modules/views_ui/tests/src/Functional/ExposedFormUITest.php b/core/modules/views_ui/tests/src/Functional/ExposedFormUITest.php
index 0e805d64265..c717f6ed5c5 100644
--- a/core/modules/views_ui/tests/src/Functional/ExposedFormUITest.php
+++ b/core/modules/views_ui/tests/src/Functional/ExposedFormUITest.php
@@ -150,10 +150,13 @@ class ExposedFormUITest extends UITestBase {
     $this->submitForm($edit, 'Apply');
     $this->assertSession()->pageTextContains('Sort field identifier field is required.');
 
-    // Try with an invalid identifier.
+    // Try with an invalid identifiers.
     $edit['options[expose][field_identifier]'] = 'abc&! ###08.';
     $this->submitForm($edit, 'Apply');
     $this->assertSession()->pageTextContains('This identifier has illegal characters.');
+    $edit['options[expose][field_identifier]'] = '^abcde';
+    $this->submitForm($edit, 'Apply');
+    $this->assertSession()->pageTextContains('This identifier has illegal characters.');
 
     // Use a valid identifier.
     $edit['options[expose][field_identifier]'] = $this->randomMachineName() . '_-~.';