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Python regular extraction of parentheses and the contents of parentheses
for example, a string: American (United States of) to extract: (United States of) or Abcde (Df WD asdAS ASDW) to extract: (Df WD asdAS ASDW) to use regular expressions Thank you guys ...
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Python regular expressions extract the contents of parenthetical quotation marks in multiline strings.
recently learned python regular expressions, want to use regular expressions to extract the specified string in multiple lines
I have been searching the Internet for a long time, and there are a lot of people asking questions on the Internet, but they...
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How does the python regular take out two values?
question: take out the values of status and request_time in the log:
this log cannot be matched by script:
{"@timestamp":"2018-03-30T19:24:26+08:00","server_addr":"172.31.0.24","remote_addr":"10....
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How to write a regular ID number that matches 15 digits, 18 digits, and the last character is a letter?
guys, I want to use a regular expression to match 15-bit, 18-bit, and alphabetic ID numbers in a bunch of strings. The pile of strings is as follows:
| _ Potentially risky methods: TRACE | _ http-server-header: 2.4.23 (Win32) OpenSSL 1.0.2j PHP 5.4...
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Can you tell me how regular search returns the index of duplicate values?
for example, in a sequence, such as string = "I am on Air China flight CA1760, which takes off at 715 30 and has a high punctuality rate. " the one to be searched is S1 = flight . You can get the return value with both findall and search. Using r...
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Python string interception problem.
for example, I have a string whose content is:
Python has a rich and powerful library. It is often nicknamed glue language and can easily connect modules made in other languages (especially C CPP). A common application scenario is to use Python to qui...
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A question about finditer output in regularization
for index, row in train_set.iterrows ():
S = str(row[ ])
M = re.finditer(match_target, S)
part_index_list = [(m.start(), m.start() + len(m.group()) - 1) for m in M]
part_list = [m.group() for m in M]
After run, the part_index_list list has a norma...
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How to count the number of strings matched by regular expressions in python2.7?
as shown in the figure above, there is a multi-line string returned by the linux command. You need to cut the first CLA , of each line under the INCLUDE column and count the total number of CLA returned under the INCLUDE column of all rows (...
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What is the matching result of the python regular expression re.compile?
the code is as follows:
re.compile( [A-Fa-f0-9]{2}:[A-Fa-f0-9]{2}:[A-Fa-f0-9]{2}:[A-Fa-f0-9]{2}:[A-Fa-f0-9]{2}:[A-Fa-f0-9]{2} )
re.compile( [0-9a-fA-F]{4}:[0-9a-fA-F]{2}:[0-9a-fA-F]{2}.[0-9a-fA-F]{1} )
Please help parse the logic of this regular...
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Grouping of python regular expressions
the code is as follows:
re.compile( ^( d{1,2}: )(.*?)(:) )
what is the logic and result of this code matching? Thank you.
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Python regular processing of local txt files
recently, I was learning about crawlers, and then I used get to connect to the web page, and then I asked a lot of questions. I said one by one, when I get, I added the following information
params = header
header = {user-agent: xxxx}
the resulting te...
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Go regular expressions achieve the same effect with Python
there are two serial services, one written by go and the other written by Python. use regular verification email address, found that the results of the two code verification are not consistent, and now want to unify the verification effect. Regular exp...
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How to match similar words in Python at the same time?
for example, seq = my two friends Zhou Jie and Jay Chou. match_target = Zhou Jie | Jay Chou R = re.findall (match_target,seq) the R of return is [ Zhou Jie , Zhou Jie ], and indicates that there is something wrong with match_target. How s...
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Can regular expressions be used to match strings with similar shapes in Python?
JD.com s pen question input sample: string A: ababcb string B: xyx the substring aba,bab,bcb of substring An is equivalent to the shape of string B. We are asking to find out how many substrings in An are equivalent to string B. (obviously, the le...
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Python uses regular extraction of html text content, how to get all the results of multi-segment matching
encountered when cleaning web page data, how to extract all the contents if there are multiple target objects in a piece of html text.
for example, the following paragraph
<span style="mso-spacerun: yes ;font-family:;mso-ascii-font-family:C...
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Questions about the backslash "\" in python regularization
import re
print(re.findall( I b , hellow I am LIST ))-sharp [ I ]
print(re.findall(" l","abca lsd"))-sharp [ l ]
Why does the first match b only need 2 , while the second match l needs 4?
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Find a regular expression
"http: www.baidu.com link?url=N9rqre5k19AvSHy4SZZFS5S7OsMhEOW5XExHhTzaTW " "
I m going to match the domain name now because sometimes it s https or http. I m going to match http: www.baidu.com or https: www.baidu.com . How do I write this reg...
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A regular expression that matches the part between An and B. if there is no B, take the part after A.
talk about the effect first: A VV BCCC matches VV A CCCCCD matches CCCCCD
I will the first if I implement it alone.
-sharp -*- coding: utf-8 -*-
import re
-sharp
str = AVVBCCC
forword = re.search(r A(.*)B , str).group(1)
print(forword)
...
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Find a rule that matches the business name
Industrial and commercial rules: no more than 20 Chinese characters from a non-Chinese character to limited company or limited liability company must be all Chinese characters + parentheses (both Chinese and English parentheses are allowed, Eng...
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Why do the same Pattern,sub and findall find different results?
question: for string= "jsfd {sdf} df ", I want to extract the sdf into "jsfd {} df ". uses patten = re.compile (r "{(. *?)} "), but finds that findall will find sdf, and finditer or sub will match {sdf}. I don t know why? When will the regular matc...
