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正则表明式【500万彩票网app下载】

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pip install numpy -i

((2[0-4]d|25[0-5]|[01]?dd?).){3}(2[0-4]d|25[0-5]|[01]?dd?)

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结果为:

新建文书档案,这里自个儿用的是1000X800像素,创立二个#3d3d42的纯色调节层,加多四个杂牌。

消除:使用印象安装

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pip install numpy  时  报错:

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During handling of the above exception, another exception occurred:

正则表明式,又称准则表明式,正则表平时被用来查究、替换这么些相符某些情势的文件

Traceback (most recent call last):
  File "d:学习pythonpython-3.6.5libsite-packagespip_internalbasecommand.py", line 141, in main
    status = self.run(options, args)
  File "d:学习pythonpython-3.6.5libsite-packagespip_internalcommandsinstall.py", line 299, in run
    resolver.resolve(requirement_set)
  File "d:学习pythonpython-3.6.5libsite-packagespip_internalresolve.py", line 102, in resolve
    self._resolve_one(requirement_set, req)
  File "d:学习pythonpython-3.6.5libsite-packagespip_internalresolve.py", line 256, in _resolve_one
    abstract_dist = self._get_abstract_dist_for(req_to_install)
  File "d:学习pythonpython-3.6.5libsite-packagespip_internalresolve.py", line 209, in _get_abstract_dist_for
    self.require_hashes
  File "d:学习pythonpython-3.6.5libsite-packagespip_internaloperationsprepare.py", line 283, in prepare_linked_requirement
    progress_bar=self.progress_bar
  File "d:学习pythonpython-3.6.5libsite-packagespip_internaldownload.py", line 836, in unpack_url
    progress_bar=progress_bar
  File "d:学习pythonpython-3.6.5libsite-packagespip_internaldownload.py", line 673, in unpack_http_url
    progress_bar)
  File "d:学习pythonpython-3.6.5libsite-packagespip_internaldownload.py", line 897, in _download_http_url
    _download_url(resp, link, content_file, hashes, progress_bar)
  File "d:学习pythonpython-3.6.5libsite-packagespip_internaldownload.py", line 617, in _download_url
    hashes.check_against_chunks(downloaded_chunks)
  File "d:学习pythonpython-3.6.5libsite-packagespip_internalutilshashes.py", line 48, in check_against_chunks
    for chunk in chunks:
  File "d:学习pythonpython-3.6.5libsite-packagespip_internaldownload.py", line 585, in written_chunks
    for chunk in chunks:
  File "d:学习pythonpython-3.6.5libsite-packagespip_internalutilsui.py", line 159, in iter
    for x in it:
  File "d:学习pythonpython-3.6.5libsite-packagespip_internaldownload.py", line 574, in resp_read
    decode_content=False):
  File "d:学习pythonpython-3.6.5libsite-packagespip_vendorurllib3response.py", line 465, in stream
    data = self.read(amt=amt, decode_content=decode_content)
  File "d:学习pythonpython-3.6.5libsite-packagespip_vendorurllib3response.py", line 430, in read
    raise IncompleteRead(self._fp_bytes_read, self.length_remaining)
  File "d:学习pythonpython-3.6.5libcontextlib.py", line 99, in __exit__
    self.gen.throw(type, value, traceback)
  File "d:学习pythonpython-3.6.5libsite-packagespip_vendorurllib3response.py", line 336, in _error_catcher
    raise ReadTimeoutError(self._pool, None, 'Read timed out.')
pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Read timed out.

只是如若合营2233.222.233.22

  格式:pip install 包名 -i

(d{1,3}.){3}d{1,3}

Traceback (most recent call last):
  File "d:学习pythonpython-3.6.5libsite-packagespip_vendorurllib3response.py", line 331, in _error_catcher
    yield
  File "d:学习pythonpython-3.6.5libsite-packagespip_vendorurllib3response.py", line 413, in read
    data = self._fp.read(amt)
  File "d:学习pythonpython-3.6.5libsite-packagespip_vendorcachecontrolfilewrapper.py", line 62, in read
    data = self.__fp.read(amt)
  File "d:学习pythonpython-3.6.5libhttpclient.py", line 449, in read
    n = self.readinto(b)
  File "d:学习pythonpython-3.6.5libhttpclient.py", line 493, in readinto
    n = self.fp.readinto(b)
  File "d:学习pythonpython-3.6.5libsocket.py", line 586, in readinto
    return self._sock.recv_into(b)
  File "d:学习pythonpython-3.6.5libssl.py", line 1009, in recv_into
    return self.read(nbytes, buffer)
  File "d:学习pythonpython-3.6.5libssl.py", line 871, in read
    return self._sslobj.read(len, buffer)
  File "d:学习pythonpython-3.6.5libssl.py", line 631, in read
    v = self._sslobj.read(len, buffer)
socket.timeout: The read operation timed out

它也将相配555.555.555.555这种IP地址。

简单的ip匹配

常用法则介绍

说明:

正则表明式是对字符串操作的一种逻辑公式,正是用事先定义好的局地一定字符、及这么些特定字符的组成,组成二个“法规字符串”,这些“准则字符串”用来发挥对字符串的一种过滤逻辑。

何以是正则表明式

正则表明式。_Tencent录制

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直白点击此链接:

w+*@w+*.w+*

哪些创新:

d{1,3}相配第一位到第一位的数字,(d{1,3}.){3}相称三个段加上贰个塞尔维亚语句号重复3次,最终再增进一个一到三人的数字。

电子邮件怎么样同盟

233.222.233.22

改进(b(2[0-4]d|25[0-5]|[01]?dd?).b){3}(2[0-4]d|25[0-5]|[01]?dd?)

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