[Box Backup] ExcludeFilesRegex on Windows

[Ben Summers]

On 22 Nov 2005, at 02:37, Waldemar Augustyn wrote:

>
> Robert B wrote:
>
>> Does ExcludeFilesRegex allow backslashes on Windows?  I.e., do I  
>> need a backslash to exclude only files?  E.g.,
>>
>> ExcludeFilesRegex = .*\foo.bar
>>
>> or is this sufficient?:
>>
>> ExcludeFilesRegex = .*foo.bar
>>
> My guess is neither one is.  But that's just my speculation, I do  
> not know the internals.  I would think you need a $ at the end to  
> be more confident about what it does.  Unfortunately, BoxBackup  
> docs have the $ escaped with a '\' in one place and non-escaped in  
> another.  So which one is right?   That's my question.  There seems  
> to be no easy way to tell.   I tested my RE strings with a Python  
> interactive which supposedly adopts the platform's idea how to  
> process REs.   This may have no relation to boxbackup's  
> interpretation of REs, though.

The syntax depends on which regex library the client uses. I believe  
(because I didn't do the port) that the Win32 client uses the Boost  
library.

    http://www.boost.org/libs/regex/doc/syntax.html

The directory separator under Windows is \ .

Ben