regex in 'cp'

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Author: Mike Starke
Date:  
Subject: regex in 'cp'
simple one: How can I specify a range of files
using cp?

For instance:

a1.ext
a2.ext
a3.ext
a4.ext
a5.ext
a6.ext
a7.ext

Now I want to move/copy a2.ext thru a6.ext

In practice, the range is much larger.

--
-Mike