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Asked: 2026-05-10T17:05:25+00:00

My regular expression needs to be able to find the strings: Visual Studio 2008

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My regular expression needs to be able to find the strings:

  1. Visual Studio 2008
  2. Visual Studio Express 2008
  3. Visual Basic 2008
  4. Visual Basic Express 2008
  5. Visual C++ 2008
  6. Visual C++ Express 2008

and a host of other similar variants, to be replaced with this one single string

Visual Studio 2005

I tried ‘Visual (Basic|C++|Studio) (Express)? 2008’, but it is not working. Any ideas?

Edit: Now I have tried ‘Visual (Basic)|(C++)|(Studio) (Express )?2008’, but the replaced line becomes ‘Visual Studio 2005 Express 2008’ for the input ‘Visual Basic Express 2008’.

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1 Answer

  1. It should be

    'Visual (Basic|C\+\+|Studio)( Express)? 2008'  >>> import re >>> repl = 'Visual Studio 2005' >>> regexp = re.compile('Visual (Studio|Basic|C\+\+)( Express)? 2008') >>> test1 = 'Visual Studio 2008' >>> test2 = 'Visual Studio Express 2008' >>> test3 = 'Visual C++ Express 2008' >>> test4 = 'Visual C++ Express 1008' >>> re.sub(regexp,repl,test1) 'Visual Studio 2005' >>> re.sub(regexp,repl,test2) 'Visual Studio 2005' >>> re.sub(regexp,repl,test3) 'Visual Studio 2005' >>> re.sub(regexp,repl,test4) 'Visual C++ Express 1008'
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