如何查看地址 IP 在 Python?

如何最好检查这一点 IP, 由用户输入，有效吗？ 他就像一个字符串。
2021-03-22 添加评论
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没有找到相关结果

    已邀请:

    三叔

    赞同来自:

    不要拆卸它。 刚问。


    import socket
    

    
try:
    
 socket.inet_aton/addr/
    
 # legal
    
except socket.error:
    
 # Not legal
    2021-03-22 0 0
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    石油百科

    赞同来自: 

    import socket
    

    
def is_valid_ipv4_address/address/:
    
 try:
    
 socket.inet_pton/socket.AF_INET, address/
    
 except AttributeError: # no inet_pton here, sorry
    
 try:
    
 socket.inet_aton/address/
    
 except socket.error:
    
 return False
    
 return address.count/'.'/ == 3
    
 except socket.error: # not a valid address
    
 return False
    

    
 return True
    

    
def is_valid_ipv6_address/address/:
    
 try:
    
 socket.inet_pton/socket.AF_INET6, address/
    
 except socket.error: # not a valid address
    
 return False
    
 return True
    2021-03-22 0 0
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    江南孤鹜

    赞同来自:

    http://pypi.python.org/pypi/IPy/
    /模块旨在使用 IP 地址/ 让我们给出一个例外 ValueError 无效地址。


    >>> from IPy import IP
    
>>> IP/'127.0.0.1'/
    
IP/'127.0.0.1'/
    
>>> IP/'277.0.0.1'/
    
Traceback /most recent call last/:
    
 ...
    
ValueError: '277.0.0.1': single byte must be 0 <= byte < 256
    
>>> IP/'foobar'/
    
Traceback /most recent call last/:
    
 ...
    
ValueError: invalid literal for long// with base 10: 'foobar'


    然而，以及尘土蒂纳的答案，他将采取这样的东西 "4" 和 "192.168", 由于已经提到，这些是有效地址 IP.

    如果您正在使用 Python 3.3 或以后的版本，现在它包括
    http://docs.python.org/py3k/library/ipaddress.html
    :


    >>> import ipaddress
    
>>> ipaddress.ip_address/'127.0.0.1'/
    
IPv4Address/'127.0.0.1'/
    
>>> ipaddress.ip_address/'277.0.0.1'/
    
Traceback /most recent call last/:
    
 File "<stdin>", line 1, in <module>
    
 File "/usr/lib/python3.3/ipaddress.py", line 54, in ip_address
    
 address/
    
ValueError: '277.0.0.1' does not appear to be an IPv4 or IPv6 address
    
&gt;&gt;&gt; ipaddress.ip_address/'foobar'/
    
Traceback /most recent call last/:
    
 File "<stdin>", line 1, in <module>
    
 File "/usr/lib/python3.3/ipaddress.py", line 54, in ip_address
    
 address/
    
ValueError: 'foobar' does not appear to be an IPv4 or IPv6 address


    为了 Python 2 您可以获得相同的功能 ipaddress, 如果安装 python-ipaddress:


    pip install ipaddress


    该模块兼容 Python 2 并提供非常相似 API 在模块上 ipaddress, 包含在标准库中 Python 以。。。开始 Python 3.3. 更多细节
    https://github.com/HaDiNet/pyt ... ME.md
    . 在 Python 2 您需要明确转换地址字符串 IP 在 unicode:
    ipaddress.ip_address/u'127.0.0.1'/

    .
    </module></stdin></module></stdin>
    2021-03-22 0 0
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    郭文康

    赞同来自:

    以。。。开始 Python 3.4, 验证地址正确性的最佳方法 IPv6 或者 IPv4 - 这使用了操作库 Python Standard Library module
    ipaddress

    - IPv4/IPv6 s.a.
    https://docs.python.org/3/library/ipaddress.html
    完整的文档。

    例子 :


    #!/usr/bin/env python
    

    
import ipaddress
    
import sys
    

    
try:
    
 ip = ipaddress.ip_address/sys.argv[1]/
    
 print/'%s is a correct IP%s address.' % /ip, ip.version//
    
except ValueError:
    
 print/'address/netmask is invalid: %s' % sys.argv[1]/
    
except:
    
 print/'Usage : %s ip' % sys.argv[0]/


    对于其他版本： Github, phihag / Philipp Hagemeister, "Python 3.3's 旧版本的IP地址 Python",
    https://github.com/phihag/ipaddress
    Budkort从 phihag 可用，例如， Anaconda Python 2.7 & 进入安装程序。 s.a.
    https://docs.continuum.io/anaconda/pkg-docs
    安装S. pip:


    pip install ipaddress


    s.a.: ipaddress 1.0.17, "IPv4/IPv6 图书馆操纵", "端口模块 3.3+ ipaddress",
    https://pypi.python.org/pypi/ipaddress/1.0.17
    2021-03-22 0 0
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    奔跑吧少年

    赞同来自: 

    def is_valid_ip/ip/:
    
 """Validates IP addresses.
    
 """
    
 return is_valid_ipv4/ip/ or is_valid_ipv6/ip/


    IPv4:


    def is_valid_ipv4/ip/:
    
 """Validates IPv4 addresses.
    
 """
    
 pattern = re.compile/r"""
    
 ^
    
 /?:
    
 # Dotted variants:
    
 /?:
    
 # Decimal 1-255 /no leading 0's/
    
 [3-9]\d?|2/?:5[0-5]|[0-4]?\d/?|1\d{0,2}
    
 |
    
 0x0*[0-9a-f]{1,2} # Hexadecimal 0x0 - 0xFF /possible leading 0's/
    
 |
    
 0+[1-3]?[0-7]{0,2} # Octal 0 - 0377 /possible leading 0's/
    
 /
    
 /?: # Repeat 0-3 times, separated by a dot
    
 \.
    
 /?:
    
 [3-9]\d?|2/?:5[0-5]|[0-4]?\d/?|1\d{0,2}
    
 |
    
 0x0*[0-9a-f]{1,2}
    
 |
    
 0+[1-3]?[0-7]{0,2}
    
 /
    
 /{0,3}
    
 |
    
 0x0*[0-9a-f]{1,8} # Hexadecimal notation, 0x0 - 0xffffffff
    
 |
    
 0+[0-3]?[0-7]{0,10} # Octal notation, 0 - 037777777777
    
 |
    
 # Decimal notation, 1-4294967295:
    
 429496729[0-5]|42949672[0-8]\d|4294967[01]\d\d|429496[0-6]\d{3}|
    
 42949[0-5]\d{4}|4294[0-8]\d{5}|429[0-3]\d{6}|42[0-8]\d{7}|
    
 4[01]\d{8}|[1-3]\d{0,9}|[4-9]\d{0,8}
    
 /
    
 $
    
 """, re.VERBOSE | re.IGNORECASE/
    
 return pattern.match/ip/ is not None


    IPv6:


    def is_valid_ipv6/ip/:
    
 """Validates IPv6 addresses.
    
 """
    
 pattern = re.compile/r"""
    
 ^
    
 \s* # Leading whitespace
    
 /?!.*::.*::/ # Only a single whildcard allowed
    
 /?:/?!:/|:/?=:// # Colon iff it would be part of a wildcard
    
 /?: # Repeat 6 times:
    
 [0-9a-f]{0,4} # A group of at most four hexadecimal digits
    
 /?:/?<=::/|/?::/:/ # Colon unless preceeded by wildcard
    
 /{6} #
    
 /?: # Either
    
 [0-9a-f]{0,4} # Another group
    
 /?:/?<=::/|/?<!::/:/ # Colon unless preceeded by wildcard
    
 [0-9a-f]{0,4} # Last group
    
 /?: /?<=::/ # Colon iff preceeded by exacly one colon
    
 | /?<!:/ #
    
 | /?<=:/ /?<!::/ : #
    
 / # OR
    
 | # A v4 address with NO leading zeros 
    
 /?:25[0-4]|2[0-4]\d|1\d\d|[1-9]?\d/
    
 /?: \.
    
 /?:25[0-4]|2[0-4]\d|1\d\d|[1-9]?\d/
    
 /{3}
    
 /
    
 \s* # Trailing whitespace
    
 $
    
 """, re.VERBOSE | re.IGNORECASE | re.DOTALL/
    
 return pattern.match/ip/ is not None


    版本 IPv6 用途 "
    /?:/?<=::/|/?<!::/:/

    ", 可以被替换 "
    /?/?<!::/:/

    " 在发动机上 regex, 支持带大面包的条件名称 /它是。 PCRE, .NET/

    编辑

    :

    丢弃的本机选项。

    扩展 regex, 匹配 RFC.

    加回了 regex 为了 IPv6 地址。

    Edit2

    :

    我发现了几个链接讨论如何拆卸地址 IPv6 从 regex:

    http://forums.dartware.com/viewtopic.php?t=452
    -InterMapper 论坛

    http://www.vankouteren.eu/blog ... sion/
    - 博客 Patrick's playground

    http://download.dartware.com/t ... ex.pl
    - 设想 Perl 有一堆测试。 看起来像mo. regex 落在几个测试中。

    Edit3

    :

    最后，可以写出所有测试通过的模式，我也很高兴。
    </div
    <div class="answer_text">
    我希望它足够简单和pyatovsky：


    def is_valid_ip/ip/:
    
 m = re.match/r"^/\d{1,3}/\./\d{1,3}/\./\d{1,3}/\./\d{1,3}/$", ip/
    
 return bool/m/ and all/map/lambda n: 0 &lt;= int/n/ &lt;= 255, m.groups////


    </div>
    <div class="answer_text">
    我想它会这样做......


    def validIP/address/:
    
 parts = address.split/"."/
    
 if len/parts/ != 4:
    
 return False
    
 for item in parts:
    
 if not 0 &lt;= int/item/ &lt;= 255:
    
 return False
    
 return True


    </div>
    <div class="answer_text">
    我必须向Marcus Jander Dzhardot致敬 - 我的大多数帖子都受到他的帖子的启发。

    我发现Marcus的答案仍然不符合一些例子 IPv6 在情景中 Perl, 他的回答是指的。

    这是我的 regex, 它在此脚本中传输所有示例 Perl:


    r"""^
    
 \s* # Leading whitespace
    
 # Zero-width lookaheads to reject too many quartets
    
 /?:
    
 # 6 quartets, ending IPv4 address; no wildcards
    
 /?:[0-9a-f]{1,4}/?::/?!:///{6}
    
 /?:25[0-4]|2[0-4]\d|1\d\d|[1-9]\d|\d/
    
 /?:\./?:25[0-4]|2[0-4]\d|1\d\d|[1-9]\d|\d//{3}
    
 |
    
 # 0-5 quartets, wildcard, ending IPv4 address
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,4}[0-9a-f]{1,4}/?
    
 /?:::/?!://
    
 /?:25[0-4]|2[0-4]\d|1\d\d|[1-9]\d|\d/
    
 /?:\./?:25[0-4]|2[0-4]\d|1\d\d|[1-9]\d|\d//{3}
    
 |
    
 # 0-4 quartets, wildcard, 0-1 quartets, ending IPv4 address
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,3}[0-9a-f]{1,4}/?
    
 /?:::/?!://
    
 /?:[0-9a-f]{1,4}/?::/?!:///?
    
 /?:25[0-4]|2[0-4]\d|1\d\d|[1-9]\d|\d/
    
 /?:\./?:25[0-4]|2[0-4]\d|1\d\d|[1-9]\d|\d//{3}
    
 |
    
 # 0-3 quartets, wildcard, 0-2 quartets, ending IPv4 address
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,2}[0-9a-f]{1,4}/?
    
 /?:::/?!://
    
 /?:[0-9a-f]{1,4}/?::/?!:///{0,2}
    
 /?:25[0-4]|2[0-4]\d|1\d\d|[1-9]\d|\d/
    
 /?:\./?:25[0-4]|2[0-4]\d|1\d\d|[1-9]\d|\d//{3}
    
 |
    
 # 0-2 quartets, wildcard, 0-3 quartets, ending IPv4 address
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,1}[0-9a-f]{1,4}/?
    
 /?:::/?!://
    
 /?:[0-9a-f]{1,4}/?::/?!:///{0,3}
    
 /?:25[0-4]|2[0-4]\d|1\d\d|[1-9]\d|\d/
    
 /?:\./?:25[0-4]|2[0-4]\d|1\d\d|[1-9]\d|\d//{3}
    
 |
    
 # 0-1 quartets, wildcard, 0-4 quartets, ending IPv4 address
    
 /?:[0-9a-f]{1,4}/{0,1}
    
 /?:::/?!://
    
 /?:[0-9a-f]{1,4}/?::/?!:///{0,4}
    
 /?:25[0-4]|2[0-4]\d|1\d\d|[1-9]\d|\d/
    
 /?:\./?:25[0-4]|2[0-4]\d|1\d\d|[1-9]\d|\d//{3}
    
 |
    
 # wildcard, 0-5 quartets, ending IPv4 address
    
 /?:::/?!://
    
 /?:[0-9a-f]{1,4}/?::/?!:///{0,5}
    
 /?:25[0-4]|2[0-4]\d|1\d\d|[1-9]\d|\d/
    
 /?:\./?:25[0-4]|2[0-4]\d|1\d\d|[1-9]\d|\d//{3}
    
 |
    
 # 8 quartets; no wildcards
    
 /?:[0-9a-f]{1,4}/?::/?!:///{7}[0-9a-f]{1,4}
    
 |
    
 # 0-7 quartets, wildcard
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,6}[0-9a-f]{1,4}/?
    
 /?:::/?!://
    
 |
    
 # 0-6 quartets, wildcard, 0-1 quartets
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,5}[0-9a-f]{1,4}/?
    
 /?:::/?!://
    
 /?:[0-9a-f]{1,4}/?
    
 |
    
 # 0-5 quartets, wildcard, 0-2 quartets
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,4}[0-9a-f]{1,4}/?
    
 /?:::/?!://
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,1}[0-9a-f]{1,4}/?
    
 |
    
 # 0-4 quartets, wildcard, 0-3 quartets
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,3}[0-9a-f]{1,4}/?
    
 /?:::/?!://
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,2}[0-9a-f]{1,4}/?
    
 |
    
 # 0-3 quartets, wildcard, 0-4 quartets
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,2}[0-9a-f]{1,4}/?
    
 /?:::/?!://
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,3}[0-9a-f]{1,4}/?
    
 |
    
 # 0-2 quartets, wildcard, 0-5 quartets
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,1}[0-9a-f]{1,4}/?
    
 /?:::/?!://
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,4}[0-9a-f]{1,4}/?
    
 |
    
 # 0-1 quartets, wildcard, 0-6 quartets
    
 /?:[0-9a-f]{1,4}/?
    
 /?:::/?!://
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,5}[0-9a-f]{1,4}/?
    
 |
    
 # wildcard, 0-7 quartets
    
 /?:::/?!://
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,6}[0-9a-f]{1,4}/?
    
 /
    
 /?://?:1/?:2[0-7]|[01]\d/|\d\d?//? # With an optional CIDR routing prefix /0-128/
    
 \s* # Trailing whitespace
    
 $"""


    我也收集了一个剧本 Python, 检查所有这些示例 IPv6; 他在
    http://pastebin.com/TKLfQUG0
    , 因为他太大了在这里发表他。

    您可以使用测试结果和示例的参数运行脚本 "[result]=[example]", 因为：


    python script.py Fail=::1.2.3.4: pass=::127.0.0.1 false=::: True=::1


    或者您可以在不指向任何参数的情况下启动所有测试，因此：


    python script.py


    无论如何，我希望这将帮助别人！
    </div>
    <div class="answer_text">
    考虑地址 IPv4 作为 "ip".


    if re.match/r'^//\d{1,2}|1\d{2}|2[0-4]\d|25[0-5]/\./{3}/\d{1,2}|1\d{2}|2[0-4]\d|25[0-5]/$', ip/: 
    
 print "Valid IP" 
    
else:
    
 print "Invalid IP"


    </div>
    <div class="answer_text">
    我发明了这个简单版本


    def ip_checkv4/ip/:
    
 parts=ip.split/"."/
    
 if len/parts/&lt;4 or len/parts/&gt;4:
    
 return "invalid IP length should be 4 not greater or less than 4"
    
 else:
    
 while len/parts/== 4:
    
 a=int/parts[0]/
    
 b=int/parts[1]/
    
 c=int/parts[2]/
    
 d=int/parts[3]/
    
 if a&lt;= 0 or a == 127 :
    
 return "invalid IP address"
    
 elif d == 0:
    
 return "host id should not be 0 or less than zero " 
    
 elif a&gt;=255:
    
 return "should not be 255 or greater than 255 or less than 0 A"
    
 elif b&gt;=255 or b&lt;0: 
    
 return "should not be 255 or greater than 255 or less than 0 B"
    
 elif c&gt;=255 or c&lt;0:
    
 return "should not be 255 or greater than 255 or less than 0 C"
    
 elif d&gt;=255 or c&lt;0:
    
 return "should not be 255 or greater than 255 or less than 0 D"
    
 else:
    
 return "Valid IP address ", ip
    

    
 p=raw_input/"Enter IP address"/
    
 print ip_checkv4/p/


    </div>
    <div class="answer_text">
    我只需要拆卸地址 IP v4. 我基于寒意战略的决定应该：

    def getIP//:
    valid = False
    while not valid :
    octets = raw_input/ "Remote Machine IP Address:" /.strip//.split/"."/
    try: valid=len/ filter/ lambda/item/:0&lt;=int/item/&lt;256, octets/ / == 4
    except: valid = False
    return ".".join/ octets /
    </div>
    2021-03-22 0 0
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    石油百科

    赞同来自:

    我希望它足够简单和pyatovsky：


    def is_valid_ip/ip/:
    
 m = re.match/r"^/\d{1,3}/\./\d{1,3}/\./\d{1,3}/\./\d{1,3}/$", ip/
    
 return bool/m/ and all/map/lambda n: 0 <= int/n/ <= 255, m.groups////
    2021-03-22 0 0
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    三叔

    赞同来自:

    我想它会这样做......


    def validIP/address/:
    
 parts = address.split/"."/
    
 if len/parts/ != 4:
    
 return False
    
 for item in parts:
    
 if not 0 <= int/item/ <= 255:
    
 return False
    
 return True
    2021-03-22 0 0
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    卫东

    赞同来自:

    我必须向Marcus Jander Dzhardot致敬 - 我的大多数帖子都受到他的帖子的启发。

    我发现Marcus的答案仍然不符合一些例子 IPv6 在情景中 Perl, 他的回答是指的。

    这是我的 regex, 它在此脚本中传输所有示例 Perl:


    r"""^
    
 \s* # Leading whitespace
    
 # Zero-width lookaheads to reject too many quartets
    
 /?:
    
 # 6 quartets, ending IPv4 address; no wildcards
    
 /?:[0-9a-f]{1,4}/?::/?!:///{6}
    
 /?:25[0-4]|2[0-4]\d|1\d\d|[1-9]\d|\d/
    
 /?:\./?:25[0-4]|2[0-4]\d|1\d\d|[1-9]\d|\d//{3}
    
 |
    
 # 0-5 quartets, wildcard, ending IPv4 address
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,4}[0-9a-f]{1,4}/?
    
 /?:::/?!://
    
 /?:25[0-4]|2[0-4]\d|1\d\d|[1-9]\d|\d/
    
 /?:\./?:25[0-4]|2[0-4]\d|1\d\d|[1-9]\d|\d//{3}
    
 |
    
 # 0-4 quartets, wildcard, 0-1 quartets, ending IPv4 address
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,3}[0-9a-f]{1,4}/?
    
 /?:::/?!://
    
 /?:[0-9a-f]{1,4}/?::/?!:///?
    
 /?:25[0-4]|2[0-4]\d|1\d\d|[1-9]\d|\d/
    
 /?:\./?:25[0-4]|2[0-4]\d|1\d\d|[1-9]\d|\d//{3}
    
 |
    
 # 0-3 quartets, wildcard, 0-2 quartets, ending IPv4 address
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,2}[0-9a-f]{1,4}/?
    
 /?:::/?!://
    
 /?:[0-9a-f]{1,4}/?::/?!:///{0,2}
    
 /?:25[0-4]|2[0-4]\d|1\d\d|[1-9]\d|\d/
    
 /?:\./?:25[0-4]|2[0-4]\d|1\d\d|[1-9]\d|\d//{3}
    
 |
    
 # 0-2 quartets, wildcard, 0-3 quartets, ending IPv4 address
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,1}[0-9a-f]{1,4}/?
    
 /?:::/?!://
    
 /?:[0-9a-f]{1,4}/?::/?!:///{0,3}
    
 /?:25[0-4]|2[0-4]\d|1\d\d|[1-9]\d|\d/
    
 /?:\./?:25[0-4]|2[0-4]\d|1\d\d|[1-9]\d|\d//{3}
    
 |
    
 # 0-1 quartets, wildcard, 0-4 quartets, ending IPv4 address
    
 /?:[0-9a-f]{1,4}/{0,1}
    
 /?:::/?!://
    
 /?:[0-9a-f]{1,4}/?::/?!:///{0,4}
    
 /?:25[0-4]|2[0-4]\d|1\d\d|[1-9]\d|\d/
    
 /?:\./?:25[0-4]|2[0-4]\d|1\d\d|[1-9]\d|\d//{3}
    
 |
    
 # wildcard, 0-5 quartets, ending IPv4 address
    
 /?:::/?!://
    
 /?:[0-9a-f]{1,4}/?::/?!:///{0,5}
    
 /?:25[0-4]|2[0-4]\d|1\d\d|[1-9]\d|\d/
    
 /?:\./?:25[0-4]|2[0-4]\d|1\d\d|[1-9]\d|\d//{3}
    
 |
    
 # 8 quartets; no wildcards
    
 /?:[0-9a-f]{1,4}/?::/?!:///{7}[0-9a-f]{1,4}
    
 |
    
 # 0-7 quartets, wildcard
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,6}[0-9a-f]{1,4}/?
    
 /?:::/?!://
    
 |
    
 # 0-6 quartets, wildcard, 0-1 quartets
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,5}[0-9a-f]{1,4}/?
    
 /?:::/?!://
    
 /?:[0-9a-f]{1,4}/?
    
 |
    
 # 0-5 quartets, wildcard, 0-2 quartets
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,4}[0-9a-f]{1,4}/?
    
 /?:::/?!://
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,1}[0-9a-f]{1,4}/?
    
 |
    
 # 0-4 quartets, wildcard, 0-3 quartets
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,3}[0-9a-f]{1,4}/?
    
 /?:::/?!://
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,2}[0-9a-f]{1,4}/?
    
 |
    
 # 0-3 quartets, wildcard, 0-4 quartets
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,2}[0-9a-f]{1,4}/?
    
 /?:::/?!://
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,3}[0-9a-f]{1,4}/?
    
 |
    
 # 0-2 quartets, wildcard, 0-5 quartets
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,1}[0-9a-f]{1,4}/?
    
 /?:::/?!://
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,4}[0-9a-f]{1,4}/?
    
 |
    
 # 0-1 quartets, wildcard, 0-6 quartets
    
 /?:[0-9a-f]{1,4}/?
    
 /?:::/?!://
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,5}[0-9a-f]{1,4}/?
    
 |
    
 # wildcard, 0-7 quartets
    
 /?:::/?!://
    
 /?:/?:[0-9a-f]{1,4}/?::/?!:///{0,6}[0-9a-f]{1,4}/?
    
 /
    
 /?://?:1/?:2[0-7]|[01]\d/|\d\d?//? # With an optional CIDR routing prefix /0-128/
    
 \s* # Trailing whitespace
    
 $"""


    我也收集了一个剧本 Python, 检查所有这些示例 IPv6; 他在
    http://pastebin.com/TKLfQUG0
    , 因为他太大了在这里发表他。

    您可以使用测试结果和示例的参数运行脚本 "[result]=[example]", 因为：


    python script.py Fail=::1.2.3.4: pass=::127.0.0.1 false=::: True=::1


    或者您可以在不指向任何参数的情况下启动所有测试，因此：


    python script.py


    无论如何，我希望这将帮助别人！
    2021-03-22 0 0
    分享

    快网

    赞同来自:

    考虑地址 IPv4 作为 "ip".


    if re.match/r'^//\d{1,2}|1\d{2}|2[0-4]\d|25[0-5]/\./{3}/\d{1,2}|1\d{2}|2[0-4]\d|25[0-5]/$', ip/: 
    
 print "Valid IP" 
    
else:
    
 print "Invalid IP"
    2021-03-22 0 0
    分享

    君笑尘

    赞同来自:

    我发明了这个简单版本


    def ip_checkv4/ip/:
    
 parts=ip.split/"."/
    
 if len/parts/<4 or len/parts/>4:
    
 return "invalid IP length should be 4 not greater or less than 4"
    
 else:
    
 while len/parts/== 4:
    
 a=int/parts[0]/
    
 b=int/parts[1]/
    
 c=int/parts[2]/
    
 d=int/parts[3]/
    
 if a<= 0 or a == 127 :
    
 return "invalid IP address"
    
 elif d == 0:
    
 return "host id should not be 0 or less than zero " 
    
 elif a>=255:
    
 return "should not be 255 or greater than 255 or less than 0 A"
    
 elif b>=255 or b<0: 
    
 return "should not be 255 or greater than 255 or less than 0 B"
    
 elif c>=255 or c<0:
    
 return "should not be 255 or greater than 255 or less than 0 C"
    
 elif d>=255 or c<0:
    
 return "should not be 255 or greater than 255 or less than 0 D"
    
 else:
    
 return "Valid IP address ", ip
    

    
 p=raw_input/"Enter IP address"/
    
 print ip_checkv4/p/
    2021-03-22 0 0
    分享

    三叔

    赞同来自:

    我只需要拆卸地址 IP v4. 我基于寒意战略的决定应该：

    def getIP//:
    valid = False
    while not valid :
    octets = raw_input/ "Remote Machine IP Address:" /.strip//.split/"."/
    try: valid=len/ filter/ lambda/item/:0<=int/item/<256, octets/ / == 4
    except: valid = False
    return ".".join/ octets /
    2021-03-22 0 0
    分享
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