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16 | root@quivira-backup:~# cat testrep
A0A0A0A0A0
A98B456021
aaa
aa
aaaa
AAAAAAAAA
AAAA
A
AAAAAA
CCCC
BB
DDD
root@quivira-backup:~# cat testrep |grep [A.*]{3}
root@quivira-backup:~# cat testrep |grep [A.*]{3}
root@quivira-backup:~#
|