From 768caff1878e1820b3e7c0600ed4808ceaaf5821 Mon Sep 17 00:00:00 2001
From: Himanshu Pathak <himanshu.pathak@rtcamp.com>
Date: Mon, 20 Apr 2026 21:54:19 +0530
Subject: [PATCH 1/4] Fix: Regex pattern matching to identify verbose rules
 need

---
 src/wp-includes/class-wp-rewrite.php | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/wp-includes/class-wp-rewrite.php b/src/wp-includes/class-wp-rewrite.php
index 8b75fa5c36d16..e6d851c2cb345 100644
--- a/src/wp-includes/class-wp-rewrite.php
+++ b/src/wp-includes/class-wp-rewrite.php
@@ -1938,11 +1938,13 @@ public function init() {
 		$this->use_trailing_slashes = str_ends_with( $this->permalink_structure, '/' );
 
 		// Enable generic rules for pages if permalink structure doesn't begin with a wildcard.
-		if ( preg_match( '/^[^%]*%(?:postname|category|tag|author)%/', $this->permalink_structure ) ) {
-			$this->use_verbose_page_rules = true;
-		} else {
-			$this->use_verbose_page_rules = false;
+		$clean_structure = str_replace( '/' . $this->index, '', $this->permalink_structure );
+
+		if ( is_multisite() && ! is_subdomain_install() && is_main_site() ) {
+			$clean_structure = preg_replace( '/^\/\w+/', '', $clean_structure, 1 );
 		}
+
+		$this->use_verbose_page_rules = (bool) preg_match( '#^/?%(?:postname|category|tag|author)%#', $clean_structure );
 	}
 
 	/**

From 7279cd3d18ce85c26d7363be07fa8b2149705995 Mon Sep 17 00:00:00 2001
From: Himanshu Pathak <himanshu.pathak@rtcamp.com>
Date: Tue, 21 Apr 2026 21:12:05 +0530
Subject: [PATCH 2/4] Tests: Verfiy for verbose page rules enabled without stub

---
 tests/phpunit/tests/rewrite.php | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/tests/phpunit/tests/rewrite.php b/tests/phpunit/tests/rewrite.php
index 2bb7254abfcef..d05c77e785854 100644
--- a/tests/phpunit/tests/rewrite.php
+++ b/tests/phpunit/tests/rewrite.php
@@ -504,4 +504,20 @@ public function test_flush_rules_does_not_delete_option() {
 		$this->assertIsArray( $rewrite_rules );
 		$this->assertNotEmpty( $rewrite_rules );
 	}
+
+	public function test_verbose_page_rules_enabled_without_stub() {
+		global $wp_rewrite;
+
+		$structures_expecting_true = array(
+			'/%postname%/',
+			'/%category%/%postname%/',
+			'/%tag%/%postname%/',
+			'/%author%/%postname%/',
+		);
+
+		foreach ( $structures_expecting_true as $structure ) {
+			$this->set_permalink_structure( $structure );
+			$this->assertTrue( $wp_rewrite->use_verbose_page_rules, "Expected true for: $structure" );
+		}
+	}
 }

From 675e9f538aa1168319938aa7369233c3d8c4b50a Mon Sep 17 00:00:00 2001
From: Himanshu Pathak <himanshu.pathak@rtcamp.com>
Date: Tue, 21 Apr 2026 21:12:56 +0530
Subject: [PATCH 3/4] Tests: Verify for verbose page rules disabled with stub

---
 tests/phpunit/tests/rewrite.php | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/tests/phpunit/tests/rewrite.php b/tests/phpunit/tests/rewrite.php
index d05c77e785854..ef05e3f437b0f 100644
--- a/tests/phpunit/tests/rewrite.php
+++ b/tests/phpunit/tests/rewrite.php
@@ -520,4 +520,23 @@ public function test_verbose_page_rules_enabled_without_stub() {
 			$this->assertTrue( $wp_rewrite->use_verbose_page_rules, "Expected true for: $structure" );
 		}
 	}
+
+	public function test_verbose_page_rules_disabled_with_stub() {
+		global $wp_rewrite;
+
+		$structures_expecting_false = array(
+			'/news/%postname%/',
+			'/blog/%postname%/',
+			'/news-and-events/%postname%/',
+			'/articles/%category%/%postname%/',
+			'/%year%/%monthnum%/%postname%/',
+			'/%year%/%postname%/',
+			'/archives/%post_id%',
+		);
+
+		foreach ( $structures_expecting_false as $structure ) {
+			$this->set_permalink_structure( $structure );
+			$this->assertFalse( $wp_rewrite->use_verbose_page_rules, "Expected false for: $structure" );
+		}
+	}
 }

From 9ae8f6b05965f3b8ac281ea3eb017b04345e5710 Mon Sep 17 00:00:00 2001
From: Himanshu Pathak <himanshu.pathak@rtcamp.com>
Date: Tue, 21 Apr 2026 21:13:59 +0530
Subject: [PATCH 4/4] Docs: Add test doc block

---
 tests/phpunit/tests/rewrite.php | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tests/phpunit/tests/rewrite.php b/tests/phpunit/tests/rewrite.php
index ef05e3f437b0f..fad67b2b7b387 100644
--- a/tests/phpunit/tests/rewrite.php
+++ b/tests/phpunit/tests/rewrite.php
@@ -505,6 +505,10 @@ public function test_flush_rules_does_not_delete_option() {
 		$this->assertNotEmpty( $rewrite_rules );
 	}
 
+	/**
+	 *
+	 * @ticket 9824
+	 */
 	public function test_verbose_page_rules_enabled_without_stub() {
 		global $wp_rewrite;
 
@@ -521,6 +525,10 @@ public function test_verbose_page_rules_enabled_without_stub() {
 		}
 	}
 
+	/**
+	 *
+	 * @ticket 9824
+	 */
 	public function test_verbose_page_rules_disabled_with_stub() {
 		global $wp_rewrite;