How To Filter and Remove Exact Words

I have a category list like this: Articles by AAAAA Articles by BBBBB Articles by CCCCC Articles by DDDDD Articles by EEEEE ... Is there any way to remove "Article by" text from the begining of the list items? I need only name in category list, like this: AAAAA BBBBB CCCCC DDDDD EEEEE ... Try to use content transformation Regex script: Articles by (.*) $1