Want to delete specific range of characters from a file name

Hi,

 

I am trying to delete specific range of characters from a file name like 10 to 20 characters in a string from last.

 

Can anyone help me on this.

 

Thanks

Hey there, please refrain from posting multiple times and posting the same topic in multiple forums as the system will think you are trying to spam us. thanks!

[quote quote=192934]Hey there, please refrain from posting multiple times and posting the same topic in multiple forums as the system will think you are trying to spam us. thanks!

[/quote]

I am sorry