在文本中使用正则表达式提取所有的ipv6地址

代码演示

import re

ip6_regex = (
    r'(\A([0-9a-f]{1,4}:){7}([0-9a-f]{1,4}){1}\Z)|'        # regex_1
    r'(\A([0-9a-f]{1,4}:){1,1}(:[0-9a-f]{1,4}){1,6}\Z)|'   # regex_2
    r'(\A([0-9a-f]{1,4}:){1,2}(:[0-9a-f]{1,4}){1,5}\Z)|'   # regex_3
    r'(\A([0-9a-f]{1,4}:){1,3}(:[0-9a-f]{1,4}){1,4}\Z)|'   # regex_4
    r'(\A([0-9a-f]{1,4}:){1,4}(:[0-9a-f]{1,4}){1,3}\Z)|'   # regex_5
    r'(\A([0-9a-f]{1,4}:){1,5}(:[0-9a-f]{1,4}){1,2}\Z)|'   # regex_6
    r'(\A([0-9a-f]{1,4}:){1,6}(:[0-9a-f]{1,4}){1,1}\Z)|'   # regex_7
    r'(\A(([0-9a-f]{1,4}:){1,7}|:):\Z)|'                   # regex_8
    r'(\A:(:[0-9a-f]{1,4}){1,7}\Z)|'                       # regex_9
    r'(\A([0-9a-f]{1,4}:){1}(:[0-9a-f]{1,4}){1,4}:(25[0-5]|2[0-4]\d|[0-1]?\d?\d)(\.(25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}\Z)|' # regex_10
    r'(\A([0-9a-f]{1,4}:){2}(:[0-9a-f]{1,4}){1,3}:(25[0-5]|2[0-4]\d|[0-1]?\d?\d)(\.(25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}\Z)|' # regex_11
    r'(\A([0-9a-f]{1,4}:){3}(:[0-9a-f]{1,4}){1,2}:(25[0-5]|2[0-4]\d|[0-1]?\d?\d)(\.(25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}\Z)|' # regex_12
    r'(\A([0-9a-f]{1,4}:){4}(:[0-9a-f]{1,4}){1,1}:(25[0-5]|2[0-4]\d|[0-1]?\d?\d)(\.(25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}\Z)|' # regex_13
    r'(\A((([0-9a-f]{1,4}:){6})(25[0-5]|2[0-4]\d|[0-1]?\d?\d)(\.(25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3})\Z)|'    # regex_14
    r'(\A(([0-9a-f]{1,4}:){1,5}|:):(25[0-5]|2[0-4]\d|[0-1]?\d?\d)(\.(25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}\Z)|' # regex_15
    r'(\A:(:[0-9a-f]{1,4}){1,5}:(25[0-5]|2[0-4]\d|[0-1]?\d?\d)(\.(25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}\Z)'     # regex_16
)


res = """1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet 1.1.1.115/32 brd 1.1.1.115 scope global lo
       valid_lft forever preferred_lft forever
    inet 192.168.3.115/32 scope global lo
       valid_lft forever preferred_lft forever
    -----------------regex_1------------------1个
    inet6 aaa1:aaa2:aaa3:aaa4:aaa5:aaa6:aaa7:bbb1/128 scope global lo
       valid_lft forever preferred_lft forever
    -----------------regex_2------------------6个
    inet6 aaa1::bbb1/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 aaa1::bbb1:bbb2/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 aaa1::bbb1:bbb2:bbb3/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 aaa1::bbb1:bbb2:bbb3:bbb4/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 aaa1::bbb1:bbb2:bbb3:bbb4:bbb5/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 aaa1::bbb1:bbb2:bbb3:bbb4:bbb5:bbb6/128 scope global lo
       valid_lft forever preferred_lft forever
    -----------------regex_3------------------5个
    inet6 aaa1:aaa2::bbb1/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 aaa1:aaa2::bbb1:bbb2/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 aaa1:aaa2::bbb1:bbb2:bbb3/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 aaa1:aaa2::bbb1:bbb2:bbb3:bbb4/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 aaa1:aaa2::bbb1:bbb2:bbb3:bbb4:bbb5/128 scope global lo
       valid_lft forever preferred_lft forever
    -----------------regex_4------------------4个
    inet6 aaa1:aaa2:aaa3::bbb1/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 aaa1:aaa2:aaa3::bbb1:bbb2/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 aaa1:aaa2:aaa3::bbb1:bbb2:bbb3/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 aaa1:aaa2:aaa3::bbb1:bbb2:bbb3:bbb4/128 scope global lo
       valid_lft forever preferred_lft forever
    -----------------regex_5------------------3个
    inet6 aaa1:aaa2:aaa3:aaa4::bbb1/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 aaa1:aaa2:aaa3:aaa4::bbb1:bbb2/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 aaa1:aaa2:aaa3:aaa4::bbb1:bbb2:bbb3/128 scope global lo
       valid_lft forever preferred_lft forever
    -----------------regex_6------------------2个
    inet6 aaa1:aaa2:aaa3:aaa4:aaa5::bbb1/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 aaa1:aaa2:aaa3:aaa4:aaa5::bbb1:bbb2/128 scope global lo
       valid_lft forever preferred_lft forever
    -----------------regex_7------------------1个
    inet6 aaa1:aaa2:aaa3:aaa4:aaa5:aaa6::bbb1/128 scope global lo
       valid_lft forever preferred_lft forever
    -----------------regex_8------------------8个
    inet6 aaa1::/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 aaa1:aaa2::/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 aaa1:aaa2:aaa3::/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 aaa1:aaa2:aaa3:aaa4::/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 aaa1:aaa2:aaa3:aaa4:aaa5::/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 aaa1:aaa2:aaa3:aaa4:aaa5:aaa6::/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 aaa1:aaa2:aaa3:aaa4:aaa5:aaa6:aaa7::/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 ::/128 scope global lo
       valid_lft forever preferred_lft forever
    -----------------regex_9------------------7个
    inet6 ::bbb1/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 ::bbb1:bbb2/128 scope host
       valid_lft forever preferred_lft forever
    inet6 ::bbb1:bbb2:bbb3/128 scope host
       valid_lft forever preferred_lft forever
    inet6 ::bbb1:bbb2:bbb3:bbb4/128 scope host
       valid_lft forever preferred_lft forever
    inet6 ::bbb1:bbb2:bbb3:bbb4:bbb5/128 scope host
       valid_lft forever preferred_lft forever
    inet6 ::bbb1:bbb2:bbb3:bbb4:bbb5:bbb6/128 scope host
       valid_lft forever preferred_lft forever
    inet6 ::bbb1:bbb2:bbb3:bbb4:bbb5:bbb6:bbb7/128 scope host
       valid_lft forever preferred_lft forever
    -----------------regex_10------------------4个
    inet6 aaa1::bbb1:255.255.255.255/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 aaa1::bbb1:bbb2:250.250.250.250/128 scope host
       valid_lft forever preferred_lft forever
    inet6 aaa1::bbb1:bbb2:bbb3:200.200.200.200/128 scope host
       valid_lft forever preferred_lft forever
    inet6 aaa1::bbb1:bbb2:bbb3:bbb4:249.249.249.249/128 scope host
       valid_lft forever preferred_lft forever
    -----------------regex_11------------------3个
    inet6 aaa1:aaa2::bbb1:255.255.255.255/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 aaa1:aaa2::bbb1:bbb2:250.250.250.250/128 scope host
       valid_lft forever preferred_lft forever
    inet6 aaa1:aaa2::bbb1:bbb2:bbb3:200.200.200.200/128 scope host
       valid_lft forever preferred_lft forever
    -----------------regex_12------------------2个
    inet6 aaa1:aaa2:aaa3::bbb1:255.255.255.255/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 aaa1:aaa2:aaa3::bbb1:bbb2:250.250.250.250/128 scope host
       valid_lft forever preferred_lft forever
    -----------------regex_13------------------1个
    inet6 aaa1:aaa2:aaa3:aaa4::bbb1:255.255.255.255/128 scope global lo
       valid_lft forever preferred_lft forever
    -----------------regex_14------------------1个
    inet6 aaa1:aaa2:aaa3:aaa4:aaa5:bbb1:255.255.255.255/128 scope global lo
       valid_lft forever preferred_lft forever
    -----------------regex_15------------------6个
    inet6 aaa1::255.255.255.255/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 aaa1:aaa2::255.255.255.255/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 aaa1:aaa2:aaa3::255.255.255.255/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 aaa1:aaa2:aaa3:aaa4::255.255.255.255/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 aaa1:aaa2:aaa3:aaa4:aaa5::255.255.255.255/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 ::255.255.255.255/128 scope global lo
       valid_lft forever preferred_lft forever
    -----------------regex_16------------------5个
    inet6 ::bbb1:0.0.0.0/128 scope global lo
       valid_lft forever preferred_lft forever
    inet6 ::bbb1:bbb2:209.209.209.209/128 scope host
       valid_lft forever preferred_lft forever
    inet6 ::bbb1:bbb2:bbb3:10.10.10.10/128 scope host
       valid_lft forever preferred_lft forever
    inet6 ::bbb1:bbb2:bbb3:bbb4:19.19.19.19/128 scope host
       valid_lft forever preferred_lft forever
    inet6 ::bbb1:bbb2:bbb3:bbb4:bbb5:199.199.199.199/128 scope host
       valid_lft forever preferred_lft forever
    """

pattern = (
    r"(?:(?:[0-9a-f]{1,4}:){7}(?:[0-9a-f]{1,4}){1}/\d{1,3})|"         # regex_1  pass
    r"(?:(?:[0-9a-f]{1,4}:){1}(?::[0-9a-f]{1,4}){1,6}/\d{1,3})|"      # regex_2  pass
    r"(?:(?:[0-9a-f]{1,4}:){2}(?::[0-9a-f]{1,4}){1,5}/\d{1,3})|"      # regex_3  pass
    r"(?:(?:[0-9a-f]{1,4}:){3}(?::[0-9a-f]{1,4}){1,4}/\d{1,3})|"      # regex_4  pass
    r"(?:(?:[0-9a-f]{1,4}:){4}(?::[0-9a-f]{1,4}){1,3}/\d{1,3})|"      # regex_5  pass
    r"(?:(?:[0-9a-f]{1,4}:){5}(?::[0-9a-f]{1,4}){1,2}/\d{1,3})|"      # regex_6  pass
    r"(?:(?:[0-9a-f]{1,4}:){6}(?::[0-9a-f]{1,4}){1,1}/\d{1,3})|"      # regex_7  pass
    r"(?:(?:(?:(?:[0-9a-f]{1,4}:){1,7}|:):)/\d{1,3})|"                # regex_8  pass
    r"(?:(?::(?::[0-9a-f]{1,4}){1,7})/\d{1,3})|"                      # regex_9  pass
    r"(?:(?:(?:[0-9a-f]{1,4}:){1})(?:(?::[0-9a-f]{1,4}){1,4}:)"
    r"(?:(?:25[0-5])|(?:2[0-4]\d)|(?:[0-1]?\d?\d))(?:\.(?:(?:25[0-5])|(?:2[0-4]\d)|(?:[0-1]?\d?\d))){3}/\d{1,3})|"  # regex_10  pass
    r"(?:(?:(?:[0-9a-f]{1,4}:){2})(?:(?::[0-9a-f]{1,4}){1,3}:)"
    r"(?:(?:25[0-5])|(?:2[0-4]\d)|(?:[0-1]?\d?\d))(?:\.(?:(?:25[0-5])|(?:2[0-4]\d)|(?:[0-1]?\d?\d))){3}/\d{1,3})|"  # regex_11  pass
    r"(?:(?:(?:[0-9a-f]{1,4}:){3})(?:(?::[0-9a-f]{1,4}){1,2}:)"
    r"(?:(?:25[0-5])|(?:2[0-4]\d)|(?:[0-1]?\d?\d))(?:\.(?:(?:25[0-5])|(?:2[0-4]\d)|(?:[0-1]?\d?\d))){3}/\d{1,3})|"  # regex_12  pass
    r"(?:(?:(?:[0-9a-f]{1,4}:){4})(?:(?::[0-9a-f]{1,4}){1,1}:)"
    r"(?:(?:25[0-5])|(?:2[0-4]\d)|(?:[0-1]?\d?\d))(?:\.(?:(?:25[0-5])|(?:2[0-4]\d)|(?:[0-1]?\d?\d))){3}/\d{1,3})|"  # regex_13  pass
    r"(?:(?:(?:[0-9a-f]{1,4}:){6})"
    r"(?:(?:25[0-5])|(?:2[0-4]\d)|(?:[0-1]?\d?\d))(?:\.(?:(?:25[0-5])|(?:2[0-4]\d)|(?:[0-1]?\d?\d))){3}/\d{1,3})|"   # regex_14  pass
    r"(?:(?:(?:(?:[0-9a-f]{1,4}:){1,5}|:):)"
    r"(?:(?:25[0-5])|(?:2[0-4]\d)|(?:[0-1]?\d?\d))(?:\.(?:(?:25[0-5])|(?:2[0-4]\d)|(?:[0-1]?\d?\d))){3}/\d{1,3})|"   # regex_15  pass
    r"(?:(?::(?::[0-9a-f]{1,4}){1,5}:)"
    r"(?:(?:25[0-5])|(?:2[0-4]\d)|(?:[0-1]?\d?\d))(?:\.(?:(?:25[0-5])|(?:2[0-4]\d)|(?:[0-1]?\d?\d))){3}/\d{1,3})"    # regex_16  pass
)

res = re.findall(pattern, res)

print(len(res))
for i in res:
    print(i)

输出内容

59
aaa1:aaa2:aaa3:aaa4:aaa5:aaa6:aaa7:bbb1/128
aaa1::bbb1/128
aaa1::bbb1:bbb2/128
aaa1::bbb1:bbb2:bbb3/128
aaa1::bbb1:bbb2:bbb3:bbb4/128
aaa1::bbb1:bbb2:bbb3:bbb4:bbb5/128
aaa1::bbb1:bbb2:bbb3:bbb4:bbb5:bbb6/128
aaa1:aaa2::bbb1/128
aaa1:aaa2::bbb1:bbb2/128
aaa1:aaa2::bbb1:bbb2:bbb3/128
aaa1:aaa2::bbb1:bbb2:bbb3:bbb4/128
aaa1:aaa2::bbb1:bbb2:bbb3:bbb4:bbb5/128
aaa1:aaa2:aaa3::bbb1/128
aaa1:aaa2:aaa3::bbb1:bbb2/128
aaa1:aaa2:aaa3::bbb1:bbb2:bbb3/128
aaa1:aaa2:aaa3::bbb1:bbb2:bbb3:bbb4/128
aaa1:aaa2:aaa3:aaa4::bbb1/128
aaa1:aaa2:aaa3:aaa4::bbb1:bbb2/128
aaa1:aaa2:aaa3:aaa4::bbb1:bbb2:bbb3/128
aaa1:aaa2:aaa3:aaa4:aaa5::bbb1/128
aaa1:aaa2:aaa3:aaa4:aaa5::bbb1:bbb2/128
aaa1:aaa2:aaa3:aaa4:aaa5:aaa6::bbb1/128
aaa1::/128
aaa1:aaa2::/128
aaa1:aaa2:aaa3::/128
aaa1:aaa2:aaa3:aaa4::/128
aaa1:aaa2:aaa3:aaa4:aaa5::/128
aaa1:aaa2:aaa3:aaa4:aaa5:aaa6::/128
aaa1:aaa2:aaa3:aaa4:aaa5:aaa6:aaa7::/128
::/128
::bbb1/128
::bbb1:bbb2/128
::bbb1:bbb2:bbb3/128
::bbb1:bbb2:bbb3:bbb4/128
::bbb1:bbb2:bbb3:bbb4:bbb5/128
::bbb1:bbb2:bbb3:bbb4:bbb5:bbb6/128
::bbb1:bbb2:bbb3:bbb4:bbb5:bbb6:bbb7/128
aaa1::bbb1:255.255.255.255/128
aaa1::bbb1:bbb2:250.250.250.250/128
aaa1::bbb1:bbb2:bbb3:200.200.200.200/128
aaa1::bbb1:bbb2:bbb3:bbb4:249.249.249.249/128
aaa1:aaa2::bbb1:255.255.255.255/128
aaa1:aaa2::bbb1:bbb2:250.250.250.250/128
aaa1:aaa2::bbb1:bbb2:bbb3:200.200.200.200/128
aaa1:aaa2:aaa3::bbb1:255.255.255.255/128
aaa1:aaa2:aaa3::bbb1:bbb2:250.250.250.250/128
aaa1:aaa2:aaa3:aaa4::bbb1:255.255.255.255/128
aaa1:aaa2:aaa3:aaa4:aaa5:bbb1:255.255.255.255/128
aaa1::255.255.255.255/128
aaa1:aaa2::255.255.255.255/128
aaa1:aaa2:aaa3::255.255.255.255/128
aaa1:aaa2:aaa3:aaa4::255.255.255.255/128
aaa1:aaa2:aaa3:aaa4:aaa5::255.255.255.255/128
::255.255.255.255/128
::bbb1:0.0.0.0/128
::bbb1:bbb2:209.209.209.209/128
::bbb1:bbb2:bbb3:10.10.10.10/128
::bbb1:bbb2:bbb3:bbb4:19.19.19.19/128
::bbb1:bbb2:bbb3:bbb4:bbb5:199.199.199.199/128
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