Bug1246553: When cleaning the query, replace the special characters with a...

Bug1246553: When cleaning the query, replace the special characters with a space. This separates the tokens instead of concatenating them.

Change-Id: I4f367498efec95cecc9f90cee30d7aad5185c956
Signed-off-by: Ghada El-Zoghbi <ghada@catalyst-au.net>

htdocs/search/elasticsearch/lib.php

@@ -812,8 +812,8 @@ class PluginSearchElasticsearch extends PluginSearch {
             ':'
         );
         foreach ($badchars as $bad) {
-            // delete it!
-            $query = preg_replace('/\\'.$bad.'/','',$query);
+            // Replace with a space.
+            $query = preg_replace('/\\'.$bad.'/',' ',$query);
         }
         return $query;
     }