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Python 从给定格式中提取所需名称_Python_Regex_Python 3.x_Data Extraction - Fatal编程技术网

Python 从给定格式中提取所需名称

Python 从给定格式中提取所需名称,python,regex,python-3.x,data-extraction,Python,Regex,Python 3.x,Data Extraction,我有一个包含如下所示数据的文本文件。我必须从中提取一些必需的名称。我正在尝试下面的代码,但没有得到所需的结果 该文件包含以下数据: Leader : Tim Lee ; 34567 Head\Organiser: Sam Mathews; 11:53 am Head: Alica Mills; 45612 Head\Secretary: Maya Hill; #53190 Captain- Jocey David # 45123 Vice Captain:- Jacob Green;

我有一个包含如下所示数据的文本文件。我必须从中提取一些必需的名称。我正在尝试下面的代码,但没有得到所需的结果

该文件包含以下数据:

Leader :     Tim Lee ; 34567
Head\Organiser: Sam Mathews; 11:53 am
Head: Alica Mills; 45612
Head\Secretary: Maya Hill; #53190
Captain- Jocey David # 45123
Vice Captain:- Jacob Green;  -65432
我正在尝试的代码:

import re
pattern = re.compile(r'(Leader|Head\\Organiser|Captain|Vice Captain).*(\w+)',re.I)
matches=pattern.findall(line)
for match in matches:
    print(match)
预期产出:

Tim Lee
Sam Mathews
Jocey David
Jacob Green
说明:

(?:                 : start non capture group
  Leader            : literally
 |                  : OR
  Head              : literally
  (?:               : start non capture group
    \\Organiser     : literally
   |                : OR
    \\Secretary     : literally
  )?                ! end group, optional
 |                  : OR
  Captain           : literally
 |                  : OR
  Vice Captain      : literally
)                   : end group
\W+                 : 1 or more non word character
(                   : start group 1
  \w+               : 1 or more word char
  (?:               : non capture group
    \s+             : 1 or more spaces
    \w+             : 1 or more word char
  )?                : end group, optional
)                   : end group 1
Tim Lee
Sam Mathews
Alica Mills
Maya Hill
Jocey David
Jacob Green
给定示例的结果:

(?:                 : start non capture group
  Leader            : literally
 |                  : OR
  Head              : literally
  (?:               : start non capture group
    \\Organiser     : literally
   |                : OR
    \\Secretary     : literally
  )?                ! end group, optional
 |                  : OR
  Captain           : literally
 |                  : OR
  Vice Captain      : literally
)                   : end group
\W+                 : 1 or more non word character
(                   : start group 1
  \w+               : 1 or more word char
  (?:               : non capture group
    \s+             : 1 or more spaces
    \w+             : 1 or more word char
  )?                : end group, optional
)                   : end group 1
Tim Lee
Sam Mathews
Alica Mills
Maya Hill
Jocey David
Jacob Green
说明:

(?:                 : start non capture group
  Leader            : literally
 |                  : OR
  Head              : literally
  (?:               : start non capture group
    \\Organiser     : literally
   |                : OR
    \\Secretary     : literally
  )?                ! end group, optional
 |                  : OR
  Captain           : literally
 |                  : OR
  Vice Captain      : literally
)                   : end group
\W+                 : 1 or more non word character
(                   : start group 1
  \w+               : 1 or more word char
  (?:               : non capture group
    \s+             : 1 or more spaces
    \w+             : 1 or more word char
  )?                : end group, optional
)                   : end group 1
Tim Lee
Sam Mathews
Alica Mills
Maya Hill
Jocey David
Jacob Green
给定示例的结果:

(?:                 : start non capture group
  Leader            : literally
 |                  : OR
  Head              : literally
  (?:               : start non capture group
    \\Organiser     : literally
   |                : OR
    \\Secretary     : literally
  )?                ! end group, optional
 |                  : OR
  Captain           : literally
 |                  : OR
  Vice Captain      : literally
)                   : end group
\W+                 : 1 or more non word character
(                   : start group 1
  \w+               : 1 or more word char
  (?:               : non capture group
    \s+             : 1 or more spaces
    \w+             : 1 or more word char
  )?                : end group, optional
)                   : end group 1
Tim Lee
Sam Mathews
Alica Mills
Maya Hill
Jocey David
Jacob Green
鉴于:

您可以获得如下名称:

>>> [e.rstrip() for e in re.findall(r'[:-]+[ \t]+(.*?)[;#]',s)]
['Tim Lee', 'Sam Mathews', 'Alica Mills', 'Maya Hill', 'Jocey David', 'Jacob Green']
或者,创建标题和相关名称的目录:

>>> {k:v.rstrip() for k,v in re.findall(r'^\s*(Leader|Head\\Organiser|Head|Head\\Secretary|Captain|Vice Captain)\s*[:-]+[ \t]+(.*?)[;#]',s, re.M)}
{'Leader': 'Tim Lee', 'Head\\Organiser': 'Sam Mathews', 'Head': 'Alica Mills', 'Head\\Secretary': 'Maya Hill', 'Captain': 'Jocey David', 'Vice Captain': 'Jacob Green'}
然后可以将其限制为所需的标题:

>>> {k:v.rstrip() for k,v in re.findall(r'^\s*(Leader|Head\\Organiser|Captain|Vice Captain)\s*[:-]+[ \t]+(.*?)[;#]',s, re.M)}
{'Leader': 'Tim Lee', 'Head\\Organiser': 'Sam Mathews', 'Captain': 'Jocey David', 'Vice Captain': 'Jacob Green'}
如果您只需要名称(Python 3.6+保持顺序,因此它们将按字符串顺序排列):

给定:

s='''\
Leader :     Tim Lee ; 34567
Head\Organiser: Sam Mathews; 11:53 am
Head: Alica Mills; 45612
Head\Secretary: Maya Hill; #53190
Captain- Jocey David # 45123
Vice Captain:- Jacob Green;  -65432'''
您可以获得如下名称:

>>> [e.rstrip() for e in re.findall(r'[:-]+[ \t]+(.*?)[;#]',s)]
['Tim Lee', 'Sam Mathews', 'Alica Mills', 'Maya Hill', 'Jocey David', 'Jacob Green']
或者,创建标题和相关名称的目录:

>>> {k:v.rstrip() for k,v in re.findall(r'^\s*(Leader|Head\\Organiser|Head|Head\\Secretary|Captain|Vice Captain)\s*[:-]+[ \t]+(.*?)[;#]',s, re.M)}
{'Leader': 'Tim Lee', 'Head\\Organiser': 'Sam Mathews', 'Head': 'Alica Mills', 'Head\\Secretary': 'Maya Hill', 'Captain': 'Jocey David', 'Vice Captain': 'Jacob Green'}
然后可以将其限制为所需的标题:

>>> {k:v.rstrip() for k,v in re.findall(r'^\s*(Leader|Head\\Organiser|Captain|Vice Captain)\s*[:-]+[ \t]+(.*?)[;#]',s, re.M)}
{'Leader': 'Tim Lee', 'Head\\Organiser': 'Sam Mathews', 'Captain': 'Jocey David', 'Vice Captain': 'Jacob Green'}
如果您只需要名称(Python 3.6+保持顺序,因此它们将按字符串顺序排列):


非常感谢您。事实上,在第二行,它可能只是头:山姆马修斯;上午11:53,没有“组织者”,因此此代码可能无法工作,因为我们正在使用\W+,有办法解决吗?很抱歉以后添加了一些要求。请解决我的这个问题:这是我问题的完美解决方案:pattern=re.compile(r'(?:Leader | Head(?\\\W+)| Captain |副Captain)\W+(\W+(?:\s+\W+)),re.I)非常感谢。事实上,在第二行,它可能只是头:山姆马修斯;上午11:53,没有“组织者”,因此此代码可能无法工作,因为我们正在使用\W+,有办法解决吗?很抱歉以后添加了一些要求。请解决我的问题:这是我问题的完美解决方案:pattern=re.compile(r'(?:Leader | Head(?\\\W+)\W+(\W+(?:\s+\W+)),re.I)谢谢。是的,很有帮助。谢谢。是的,这很有帮助。