diff --git a/core/modules/user/src/UserViewsData.php b/core/modules/user/src/UserViewsData.php
index ae5d681094b..60ddb7ce273 100644
--- a/core/modules/user/src/UserViewsData.php
+++ b/core/modules/user/src/UserViewsData.php
@@ -233,7 +233,7 @@ class UserViewsData extends EntityViewsData {
       'name field' => 'name',
       'empty field name' => $this->t('No role'),
       'zero is null' => TRUE,
-      'numeric' => TRUE,
+      'numeric' => FALSE,
     ];
 
     $data['user__roles']['permission'] = [
diff --git a/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_user_role_contextual_filter.yml b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_user_role_contextual_filter.yml
new file mode 100644
index 00000000000..80ae8cc242a
--- /dev/null
+++ b/core/modules/views/tests/modules/views_test_config/test_views/views.view.test_user_role_contextual_filter.yml
@@ -0,0 +1,192 @@
+langcode: en
+status: true
+dependencies:
+  module:
+    - user
+id: test_user_role_contextual_filter
+label: 'Test User Role Contextual Filter'
+module: views
+description: ''
+tag: ''
+base_table: users_field_data
+base_field: uid
+display:
+  default:
+    display_plugin: default
+    id: default
+    display_title: Default
+    position: 0
+    display_options:
+      access:
+        type: perm
+        options:
+          perm: 'access user profiles'
+      cache:
+        type: tag
+        options: {  }
+      query:
+        type: views_query
+        options:
+          disable_sql_rewrite: false
+          distinct: false
+          replica: false
+          query_comment: ''
+          query_tags: {  }
+      exposed_form:
+        type: basic
+        options:
+          submit_button: Apply
+          reset_button: false
+          reset_button_label: Reset
+          exposed_sorts_label: 'Sort by'
+          expose_sort_order: true
+          sort_asc_label: Asc
+          sort_desc_label: Desc
+      pager:
+        type: mini
+        options:
+          items_per_page: 10
+          offset: 0
+          id: 0
+          total_pages: null
+          expose:
+            items_per_page: false
+            items_per_page_label: 'Items per page'
+            items_per_page_options: '5, 10, 25, 50'
+            items_per_page_options_all: false
+            items_per_page_options_all_label: '- All -'
+            offset: false
+            offset_label: Offset
+          tags:
+            previous: ‹‹
+            next: ››
+      style:
+        type: default
+        options:
+          grouping: {  }
+          row_class: ''
+          default_row_class: true
+          uses_fields: false
+      row:
+        type: fields
+        options:
+          inline: {  }
+          separator: ''
+          hide_empty: false
+          default_field_elements: true
+      fields:
+        name:
+          id: name
+          table: users_field_data
+          field: name
+          entity_type: user
+          entity_field: name
+          label: ''
+          alter:
+            alter_text: false
+            make_link: false
+            absolute: false
+            trim: false
+            word_boundary: false
+            ellipsis: false
+            strip_tags: false
+            html: false
+          hide_empty: false
+          empty_zero: false
+          plugin_id: field
+          relationship: none
+          group_type: group
+          admin_label: ''
+          exclude: false
+          element_type: ''
+          element_class: ''
+          element_label_type: ''
+          element_label_class: ''
+          element_label_colon: true
+          element_wrapper_type: ''
+          element_wrapper_class: ''
+          element_default_classes: true
+          empty: ''
+          hide_alter_empty: true
+          click_sort_column: value
+          type: user_name
+          settings: {  }
+          group_column: value
+          group_columns: {  }
+          group_rows: true
+          delta_limit: 0
+          delta_offset: 0
+          delta_reversed: false
+          delta_first_last: false
+          multi_type: separator
+          separator: ', '
+          field_api_classes: false
+      filters:
+        status:
+          value: '1'
+          table: users_field_data
+          field: status
+          plugin_id: boolean
+          entity_type: user
+          entity_field: status
+          id: status
+          expose:
+            operator: ''
+            operator_limit_selection: false
+            operator_list: {  }
+          group: 1
+      sorts: {  }
+      header: {  }
+      footer: {  }
+      empty: {  }
+      relationships: {  }
+      arguments:
+        roles_target_id:
+          id: roles_target_id
+          table: user__roles
+          field: roles_target_id
+          relationship: none
+          group_type: group
+          admin_label: ''
+          default_action: ignore
+          exception:
+            value: all
+            title_enable: false
+            title: All
+          title_enable: false
+          title: ''
+          default_argument_type: fixed
+          default_argument_options:
+            argument: ''
+          default_argument_skip_url: false
+          summary_options:
+            base_path: ''
+            count: true
+            items_per_page: 25
+            override: false
+          summary:
+            sort_order: asc
+            number_of_records: 0
+            format: default_summary
+          specify_validation: false
+          validate:
+            type: none
+            fail: 'not found'
+          validate_options: {  }
+          break_phrase: true
+          add_table: false
+          require_value: false
+          reduce_duplicates: false
+          entity_type: user
+          entity_field: roles
+          plugin_id: user__roles_rid
+      display_extenders: {  }
+    cache_metadata:
+      max-age: -1
+      contexts:
+        - 'languages:language_content'
+        - 'languages:language_interface'
+        - url
+        - url.query_args
+        - user.permissions
+      tags: {  }
diff --git a/core/modules/views/tests/src/Functional/Plugin/ContextualFiltersStringTest.php b/core/modules/views/tests/src/Functional/Plugin/ContextualFiltersStringTest.php
new file mode 100644
index 00000000000..94849beda2a
--- /dev/null
+++ b/core/modules/views/tests/src/Functional/Plugin/ContextualFiltersStringTest.php
@@ -0,0 +1,115 @@
+<?php
+
+namespace Drupal\Tests\views\Functional\Plugin;
+
+use Drupal\Tests\views\Functional\ViewTestBase;
+
+/**
+ * Test contextual filters with 'allow multiple values' setting for user roles.
+ *
+ * @group views
+ */
+class ContextualFiltersStringTest extends ViewTestBase {
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  protected static $modules = [
+    'views_ui',
+    'views_test_config',
+  ];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
+  /**
+   * Views used by this test.
+   *
+   * @var array
+   */
+  public static $testViews = ['test_user_role_contextual_filter'];
+
+  /**
+   * Role id of role 1.
+   *
+   * @var string
+   */
+  public $role1;
+
+  /**
+   * Role id of role 2.
+   *
+   * @var string
+   */
+  public $role2;
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp($import_test_views = TRUE): void {
+    parent::setUp($import_test_views);
+
+    // Create Roles and users.
+    $this->role1 = $this->drupalCreateRole(['access content'], 'editor', 'Editor');
+    $this->role2 = $this->drupalCreateRole(['access content'], 'publisher', 'Publisher');
+
+    $this->createUser([], 'user1', FALSE, ['roles' => [$this->role1]]);
+    $this->createUser([], 'user2', FALSE, ['roles' => [$this->role2]]);
+    $this->createUser([], 'user3', FALSE, ['roles' => [$this->role1, $this->role2]]);
+    $this->createUser([], 'user4', FALSE, ['roles' => [$this->role2]]);
+    $this->createUser([], 'user5', FALSE, ['roles' => [$this->role1, $this->role2]]);
+
+    $this->drupalLogin($this->rootUser);
+  }
+
+  /**
+   * Tests contextual filter for the user roles.
+   */
+  public function testUserRoleContextualFilter() {
+    $this->drupalGet('admin/structure/views/view/test_user_role_contextual_filter');
+    $edit = [
+      'view_args' => $this->role1,
+    ];
+    $this->submitForm($edit, 'Update preview');
+    $this->assertSession()->pageTextContains('user1');
+    $this->assertSession()->pageTextContains('user3');
+    $this->assertSession()->pageTextContains('user5');
+    $this->assertSession()->pageTextNotContains('user2');
+    $this->assertSession()->pageTextNotContains('user4');
+
+    $edit = [
+      'view_args' => $this->role2,
+    ];
+    $this->submitForm($edit, 'Update preview');
+    $this->assertSession()->pageTextContains('user2');
+    $this->assertSession()->pageTextContains('user3');
+    $this->assertSession()->pageTextContains('user4');
+    $this->assertSession()->pageTextContains('user5');
+    $this->assertSession()->pageTextNotContains('user1');
+
+    $edit = [
+      'view_args' => "$this->role1,$this->role2",
+    ];
+    $this->submitForm($edit, 'Update preview');
+    $this->assertSession()->pageTextContains('user3');
+    $this->assertSession()->pageTextContains('user5');
+    $this->assertSession()->pageTextNotContains('user1');
+    $this->assertSession()->pageTextNotContains('user2');
+    $this->assertSession()->pageTextNotContains('user4');
+
+    $edit = [
+      'view_args' => "$this->role1+$this->role2",
+    ];
+    $this->submitForm($edit, 'Update preview');
+    $this->assertSession()->pageTextContains('user1');
+    $this->assertSession()->pageTextContains('user2');
+    $this->assertSession()->pageTextContains('user3');
+    $this->assertSession()->pageTextContains('user4');
+    $this->assertSession()->pageTextContains('user5');
+  }
+
+}