正则表达式可在多种情况下匹配版权声明中的公司名称

您可以考虑使用正则表达式

(?i)(?:©(?:s*Copyright)?|Copyright(?:s*©)?)s*d+(?:s*-s*d+)?s*(.*?(?=W*Alls+rightss+reserved)|[^.]*(?=.)|.*)

请参阅regex演示。使用不区分大小写的修饰符

re.I

。

细节

(?:©(?:s*Copyright)?|Copyright(?:s*©)?)

-要么

```
©(?:s*Copyright)?
```
-
```
©
```
焦炭跟随以0+空格可选子，然后
```
Copyright
```
```
|
```
- 要么
```
Copyright(?:s*©)?
```
-
```
Copyright
```
后跟0+空格和
```
©
```
char的可选子字符串

```
s*
```
-0+空格
```
d+
```
-1个以上的数字（
```
d{4}
```
如果年份始终包含4个数字，则使用）
```
(?:s*-s*d+)?
```
-
```
-
```
用0+空格和1+数字括起来的可选序列（
```
d{4}
```
如果年份始终包含4位数字，则使用）
```
s*
```
-0+空格
```
(.*?(?=W*Alls+rightss+reserved)|[^.]*(?=.)|.*)
```
- 捕获第1组 ：以下任何一种方法：
- ```
.*?(?=W*Alls+rightss+reserved)
```
  -除换行符以外的任何0+个字符，尽可能少，最多0+个非单词字符，后跟
```
All rights reserved
```
  字符串
- ```
[^.]*(?=.)
```
  -
```
.
```
  尽可能多的0+个字符，
```
.
```
  不包括在内
```
.
```
- ```
.*
```
  -其余部分

Python演示：

import res = "Copyright © 2019 Apple Inc. All rights reserved.rn© 2019 Quid, Inc. All Rights Reserved.rn© 2009 Database Designs rn© 2019 Rediker Software, All Rights Reservedrn©2019 EVOSUS, INC. ALL RIGHTS RESERVEDrn© 2019 Walmart. All Rights Reserved.rn© Copyright 2003-2019 Exxon Mobil Corporation. All Rights Reserved.rnCopyright © 1978-2019 Berkshire Hathaway Inc.rn© 2019 McKesson Corporationrn© 2019 UnitedHealth Group. All rights reserved.rn© Copyright 1999 - 2019 CVS HealthrnCopyright 2019 General Motors. All Rights Reserved.rn© 2019 Ford Motor Companyrn©2019 AT&T Intellectual Property. All rights reserved.rn© 2019 GENERAL ELECTRICrnCopyright ©2019 AmerisourceBergen Corporation. All Rights Reserved.rn© 2019 Verizonrn© 2019 Fannie MaernCopyright © 2018 Jonas Construction Software Inc. All rights reserved.rnAll Comments © Copyright 2017 Kroger | The Kroger Co. All Rights Reservedrn© 2019 Express scripts Holding Company. All Rights Reserved. 1 Express Way, St. Louis, MO 63121rn© 2019 JPMorgan Chase & Co.rnCopyright © 1995 - 2018 Boeing. All Rights Reserved.rn© 2019 Bank of America Corporation. All rights reserved.rn© 1999 - 2019 Wells Fargo. All rights reserved. NMLSR ID 399801rn©2019 Cardinal Health. All rights reserved.rn© 2019 Quid, Inc All Rights Reserved."rx = r"(?:©(?:s*Copyright)?|Copyright(?:s*©)?)s*d+(?:s*-s*d+)?s*(.*?(?=W*Alls+rightss+reserved)|[^.n]*(?=.)|.*)"for m in re.findall(rx, s, re.I):    print(m)

输出：

Apple IncQuid, IncDatabase Designs Rediker SoftwareEVOSUS, INCWalmartExxon Mobil CorporationBerkshire Hathaway IncMcKesson CorporationUnitedHealth GroupCVS HealthGeneral MotorsFord Motor CompanyAT&T Intellectual PropertyGENERAL ELECTRICAmerisourceBergen CorporationVerizonFannie MaeJonas Construction Software IncKroger | The Kroger CoExpress scripts Holding CompanyJPMorgan Chase & CoBoeingBank of America CorporationWells FargoCardinal HealthQuid, Inc

正则表达式可在多种情况下匹配版权声明中的公司名称

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