Ticket #46886: 46886-2.diff

src/wp-includes/formatting.php

@@ -3039 +3039 @@
  */
 function wp_targeted_link_rel( $text ) {
         // Don't run (more expensive) regex if no links with targets.
-        if ( stripos( $text, 'target' ) !== false && stripos( $text, '<a ' ) !== false ) {
+        if ( stripos( $text, ' target' ) !== false && stripos( $text, '<a ' ) !== false ) {
                 $text = preg_replace_callback( '|<a\s([^>]*target\s*=[^>]*)>|i', 'wp_targeted_link_rel_callback', $text );
         }
 

tests/phpunit/tests/formatting/WPTargetedLinkRel.php

@@ -101 +101 @@
 
                 $this->assertEquals( $expected, $post->post_content );
         }
+
+        /**
+         * Ensure the data-target attribute is ignored.
+         *
+         * @ticket 46886.
+         */
+        public function test_ignore_data_target_attribute() {
+                $content  = '<a href="https://example.com" data-target="thisandthat">click here</a>';
+                $expected = $content;
+                $this->assertSame( $expected, wp_targeted_link_rel( $content ) );
+        }
+
 }