Help with string manipulation function

Posted by MusiGenesis on Stack Overflow See other posts from Stack Overflow or by MusiGenesis
Published on 2010-05-06T01:23:37Z Indexed on 2010/05/06 1:28 UTC
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I have a set of strings that contain within them one or more question marks delimited by a comma, a comma plus one or more spaces, or potentially both. So these strings are all possible:

BOB AND ?
BOB AND ?,?,?,?,?
BOB AND ?, ?, ? ,?
BOB AND ?,?  ,  ?,?
?,  ?               ,? AND BOB

I need to replace the question marks with @P#, so that the above samples would become:

BOB AND @P1
BOB AND @P1,@P2,@P3,@P4,@P5
BOB AND @P1,@P2,@P3,@P4
BOB AND @P1,@P2,@P3,@P4
@P1,@P2,@P3 AND BOB

What's the best way to do this without regex or Linq?

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