A newer version is available. For the latest information, see the
current release documentation.
rename_pattern
editrename_pattern
editThis setting is only used by the restore action.
from the Elasticsearch documentation
The rename_pattern and rename_replacement options can be also used to rename indices on restore using regular expression that supports referencing the original text as explained here.
Read more about this setting at http://www.elastic.co/guide/en/elasticsearch/reference/5.4/modules-snapshots.html#_restore
There is no default value.