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How to filter Alphanumerics

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# 1  
Old 08-10-2010
How to filter Alphanumerics
Hi all,

Can you please let me know how to achieve the below thing

AAABBCC@#$W123
123@#$DFG<>.

Output:
AAABBCW123
123DFG

i.e I want to filer only alphanumerics from the strings
# 2  
Old 08-10-2010
Code:
sed -e 's/[^A-Za-z0-9]//g' file

This User Gave Thanks to fpmurphy For This Post:
marcus_kosaman
# 3  
Old 08-11-2010
thanks !
# 4  
Old 08-11-2010
Code:
sed -e 's/[:alnum:]//g'

should also work I guess..
# 5  
Old 08-11-2010
Code:
tr -cd '[:alnum:]\n'



---------- Post updated at 12:41 AM ---------- Previous update was at 12:39 AM ----------
Quote:
Originally Posted by rajamadhavan
Code:
sed -e 's/[:alnum:]//g'

should also work I guess..
It won't. What you're going for is:
Code:
sed -e 's/[^[:alnum:]]//g'

Regards,
Alister
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