Python 从文件中筛选出ip 正则表达（re）
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#!/usr/bin/env python
#_*_coding:utf-8 _*_
__author__ = ‘gaogd‘
import re
with open(‘arr.txt‘,‘r‘) as f:
for line in f.readlines():
result2 = re.findall(‘[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}‘, line)
if not result2 == []:
print result2[0]
result = result2[0] + ‘\n‘
with open(‘arr_ip.txt‘, ‘a+‘) as w:
w.write(result)原文件
Array ( [2016-08-12] => Array ( [DATE] => 2016-08-12 [IPS] => Array ( [0] => 10.26.31.151 [1] => 140.206.255.42 [2] => 223.104.5.206 [3] => 112.65.191.177 [4] => 115.209.105.152 ) ) [2016-08-13] => Array ( [DATE] => 2016-08-13 [IPS] => Array ( ) ) [2016-08-14] => Array ( [DATE] => 2016-08-14 [IPS] => Array ( [0] => 211.161.245.47 ) ) [2016-08-15] => Array ( [DATE] => 2016-08-15 [IPS] => Array ( [0] => 10.26.31.151 [1] => 223.104.5.205 [2] => 123.245.20.146 [3] => 223.104.5.194 [4] => 182.86.147.238 ) ) [2016-08-16] => Array ( [DATE] => 2016-08-16 [IPS] => Array ( [0] => 10.26.31.151 ) ) [2016-08-17] => Array ( [DATE] => 2016-08-17 [IPS] => Array ( [0] => 10.26.31.151 [1] => 223.104.5.234 ) ) [2016-08-18] => Array ( [DATE] => 2016-08-18 [IPS] => Array ( [0] => 10.26.31.151 [1] => 223.104.175.108 [2] => 123.184.233.89 [3] => 182.200.62.255 [4] => 223.104.5.201 ) ) [2016-08-19] => Array ( [DATE] => 2016-08-19 [IPS] => Array ( [0] => 10.26.31.151 [1] => 223.104.5.235 [2] => 223.104.175.65 ) ) [2016-08-20] => Array ( [DATE] => 2016-08-20 [IPS] => Array ( [0] => 223.104.5.201 ) ) [2016-08-21] => Array ( [DATE] => 2016-08-21 [IPS] => Array ( ) ) [2016-08-22] => Array ( [DATE] => 2016-08-22 [IPS] => Array ( [0] => 10.26.31.151 [1] => 112.65.189.136 [2] => 218.87.170.214 ) ) [2016-08-23] => Array ( [DATE] => 2016-08-23 [IPS] => Array ( [0] => 10.26.31.151 ) ) [2016-08-24] => Array ( [DATE] => 2016-08-24 [IPS] => Array ( [0] => 140.206.88.69 [1] => 10.26.31.151 [2] => 210.13.91.179 [3] => 223.104.5.226 ) ) [2016-08-25] => Array ( [DATE] => 2016-08-25 [IPS] => Array ( [0] => 10.26.31.151 [1] => 180.171.102.48 ) ) [2016-08-26] => Array ( [DATE] => 2016-08-26 [IPS] => Array ( [0] => 180.171.102.48 [1] => 10.26.31.151 [2] => 223.104.5.238 [3] => 140.206.255.11 ) ) [2016-08-27] => Array ( [DATE] => 2016-08-27 [IPS] => Array ( [0] => 180.171.102.48 [1] => 118.133.213.58 [2] => 140.207.23.150 ) ) [2016-08-28] => Array ( [DATE] => 2016-08-28 [IPS] => Array ( [0] => 118.133.213.58 [1] => 140.206.89.196 [2] => 180.171.102.48 ) ) [2016-08-29] => Array ( [DATE] => 2016-08-29 [IPS] => Array ( [0] => 10.26.31.151 [1] => 106.121.3.154 [2] => 182.86.195.46 ) ) [2016-08-30] => Array ( [DATE] => 2016-08-30 [IPS] => Array ( [0] => 10.26.31.151 [1] => 58.247.55.122 [2] => 140.206.89.91 [3] => 116.235.22.234 [4] => 140.207.21.190 [5] => 180.171.100.197 ) ) [2016-08-31] => Array ( [DATE] => 2016-08-31 [IPS] => Array ( [0] => 10.26.31.151 [1] => 116.228.29.218 [2] => 180.171.68.2 ) ) [2016-09-01] => Array ( [DATE] => 2016-09-01 [IPS] => Array ( [0] => 10.26.31.151 [1] => 112.64.189.141 [2] => 180.171.68.2 [3] => 223.104.5.197 ) ) [2016-09-02] => Array ( [DATE] => 2016-09-02 [IPS] => Array ( [0] => 10.26.31.151 ) ) [2016-09-03] => Array ( [DATE] => 2016-09-03 [IPS] => Array ( ) ) [2016-09-04] => Array ( [DATE] => 2016-09-04 [IPS] => Array ( [0] => 114.91.48.125 ) ) [2016-09-05] => Array ( [DATE] => 2016-09-05 [IPS] => Array ( [0] => 10.26.31.151 [1] => 59.63.13.36 [2] => 223.104.5.196 [3] => 114.91.48.125 ) ) )
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