bash wildcard n digits

Question

So I\'ve got the following files in the tmp directory:

 file.0
 file.1
 file.t9
 file.22
 file.4444

if I wanted to list only the files that

Answer 1

At least in bash 4, when the extglob shell option is enabled:

shopt -s extglob
ls /tmp/file.+([0-9])

The pattern +([0-9]) there matches one or more digits.

You can read more about this in the Pattern Matching section of man bash.

UPDATE

Actually, as @chepner pointed out, since extglob was introduced in version 2.02, this should work in pretty much every bash you come across today, unless you pulled your distro out of a rock or something.