Ticket #12690: 12690.3.patch

wp-includes/formatting.php

@@ -107 +107 @@
         $no_texturize_tags_stack = array();
         $no_texturize_shortcodes_stack = array();
 
-        $textarr = preg_split('/(<.*>|\[.*\])/Us', $text, -1, PREG_SPLIT_DELIM_CAPTURE);
+        $textarr = preg_split('/(<.*>|\[.+\])/Us', $text, -1, PREG_SPLIT_DELIM_CAPTURE);
 
         foreach ( $textarr as &$curl ) {
                 if ( empty( $curl ) )