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Extract alphahumeric data from a column

 
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# 1  
Old 08-17-2010
Extract alphahumeric data from a column
Hi Unix Gurus,
I am newbie to UNIX. I have a file test.txt with the follwing data
aa90558
bb72962
cc08342
xy112233
yz25341
aa372099
cc34590231
bb880011
testfil
Whatisit00
1234556
testfile2test
I want to output only the items with two alpha followed by 5 numeric (ex aa90558 or bb72962).
When I run the following
# grep '^[a-zA-Z]\{2\}[0-9]\{5\}' test.txt
I get the two alphas but my numeric is not limited to 5 positions. I get the follwing output
sc90558
vi72962
tm08342
xy112233
yz25341
aa372099
cc34590231
bb880011
I don't want xy112233, bb880011,aa372099,cc34590231
Any ideas as to how? Appreciate your help
# 2  
Old 08-17-2010
Code:
# grep -o '^[a-zA-Z]\{2\}[0-9]\{5\}' test.txt

Code:
 
# grep '^[a-zA-Z]\{2\}[0-9]\{5\}$' test.txt

This User Gave Thanks to ygemici For This Post:
SalM
# 3  
Old 08-18-2010
Thanks ygemici. Appreciate your help. This worked like a charm!
 
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