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Regex to filter only IP's?

How to filter this IP only?

89.35.24.74     7 msmta9.newcombo.net  
89.35.24.83     8 msmta18.newcombo.net
12.35.24.83     8 msjohn123
100.200.30.20  rapasins

Output:

89.35.24.7
89.35.24.83
12.35.24.83
100.200.30.20
0
john lambert
Asked:
john lambert
1 Solution
 
Rgonzo1971Commented:
Hi,

pls try
\b([0-9]{1,3}\.){3}[0-9]{1,3}\b

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Regards
0
 
skullnobrainsCommented:
you don't need an ereg if you just want the first column

in shell scripting you can do this

while read ip junk ; do echo $ip ; done <INPUT_FILE >OUTPUT_FILE

what is tyour environment ? unix shell ? windows shell ? perl ? asp ?
0
 
Dan CraciunIT ConsultantCommented:
awk "BEGIN { FS=""" """ } { print $1 }" sterge.txt

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Result:
89.35.24.74
89.35.24.83
12.35.24.83
100.200.30.20

Open in new window


HTH,
Dan
0
 
john lambertAuthor Commented:
thank you!!!ur the best!!
0
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