How do I find all files that do not begin with a given prefix in bash?

Question

I have a bunch of files in a folder:

foo_1 
foo_2
foo_3
bar_1
bar_2
buzz_1
...

I want to find all the files that do not st

Answer 1

This should do the trick in any shell

ls | grep -v '^prefix'

The -v option inverts grep's search logic, making it filter out all matches. Using grep instead of find you can use powerful regular expressions instead of the limited glob patterns.