Renaming multiple files in a folder

Hello knimers,

I need a workflow that replaces “Feb 2015” and replaces it with “Mar 2015”. file name coul be as follows

xxx xxxxx feb 2015 (3 letters in this example)

xxxx xxxxx feb 2015 (4 letters in this example)

so i need smth that reads thelist of files then export them to the folder. i tried few of the available worfflow and they fail to export the file back