The following have now been raise under separate requests.
Thanks for the suggestions. I'll add them to my list.
BTW - you can select Item Extension Only to have the rename only impact file extensions.
Nice.
Thanks, I missed the ext one :)
It would be possible to add fragments to an existing name at the beginning and at the end, rather than completely replacing it.
I'd love to be able to prepend/append text to the beginning/end of a filename. Today I use PowerShell to do it this way:

Prepend/append can be done with RegEx, here's an example for prepending:
Search: (.*).zip
Replace: MyZipPrefix_$1.zip
That doesn't seem to work for me. Can you show me what I'm doing wrong?

You need to check the "Use Regular Expressions" checkbox
Oh I see. I don’t know that syntax. I guess I’ll use PowerShell for this for now since it just uses string concatenation.
From: Chris Davis notifications@github.com
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Subject: Re: [microsoft/PowerToys] PowerRename: Additional Options (#583)
You need to check the "Use Regular Expressions" checkbox
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Voting for the Scaling request, would be very useful for long filenames
This really needs to be broken into individual requests versus 5 in a single item. @mikeparkie since you filed the issue, do you mind or should i?
This really needs to be broken into individual requests versus 5 in a single item. @mikeparkie since you filed the issue, do you mind or should i?
Not a problem, just raised them and renamed this one so it's clearer.
Thanks
Resizing is already done and will be in the next release
If this is in already, I am adding it to the .14 release milestone. We can close it out too then.