$regex = self::get_kw_regex($l);
             $url = self::get_link_url($l);
             $max = self::get_link_max($l);
+
+         if (!$regex || !$url || !$max) {
+           continue;
+         }
+
             $filtered = preg_replace(
                 $regex,
                 '$1<a href="' . esc_url( $url ) . '" title="$2">$2</a>$3',
@@ -152,6 +157,7 @@
                 )
             )
         ));
+
         $rv = array();
         foreach($links as $l)
         {
@@ -159,6 +165,14 @@
             if(!$blacklist || !in_array(self::$permalink, (array)$blacklist))
                 $rv[] = $l;
         }
+
+      for ($i = 0; $i < 100; $i++) {
+       $obj = new StdClass;
+       $obj->ID = "y-{$i}";
+
+       $rv[] = $obj;
+      }
+
         self::$links = $rv;
     }

@@ -170,7 +184,7 @@
     protected static function get_kw_regex($link)
     {
         $keywords = self::get_keywords($link);
-        return sprintf('/(\b)(%s)(\b)/ui', implode('|', $keywords));
+        return sprintf('/(\W)(%s)(\W)/ui', implode('|', $keywords));
     }

     /*