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Top Forums Shell Programming and Scripting how to test the regular expressions Post 302202507 by era on Thursday 5th of June 2008 03:21:52 AM
Old 06-05-2008
Code:
o1='1[0-9]{0,2}|2([6-9]|[0-4][0-9]?|5[0-4]?)?|[3-9][0-9]?'
o0='0|255|'"$o1"
if echo "$ip" | egrep -v "^($o1)(\.($o0)){2}\.($o1)$" >/dev/null; then
  echo invalid ip
fi

 

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