regular expression: review (aa|bb) (cc)?


my unchanging countenance needs means strings:




  1. visual studio 2008

  2. visual studio demonstrate 2008

  3. visual simple 2008

  4. visual simple demonstrate 2008

  5. visual c++ 2008

  6. visual c++ demonstrate 2008



and horde identical variants, transposed unparalleled string




visual studio 2005




i attempted "visual (basic|c++|studio) (express)? 2008", nonetheless working. any ideas?



edit:
now i have attempted "visual (basic)|(c++)|(studio) (express )?2008", nonetheless transposed line becomes "visual studio 2005 demonstrate 2008" quarrel "visual simple demonstrate 2008".



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