regexp for oracle schema and object name

If you want to find or replace Oracle schema/object name you can use regular expression:

(^|[^A-Za-z0-9#$_])schema_name([^A-Za-z0-9#$_]|$)
(^|[^A-Za-z0-9#$_])schema_name.table_name([^A-Za-z0-9#$_]|$)
(^|[^A-Za-z0-9#$_])schema_name.table_name([^A-Za-z0-9#$_]|$) -> \1new_name\2