Help with regex

[Roman]

On 06/08/09 08:35, Robert Dailey wrote:
> Hey guys,
> 
> I'm creating a python script that is going to try to search a text
> file for any text that matches my regular expression. The thing it is
> looking for is:
> 
> FILEVERSION #,#,#,#
> 
> The # symbol represents any number that can be any length 1 or
> greater. Example:
> 
> FILEVERSION 1,45,10082,3
> 
> The regex should only match the exact above. So far here's what I have
> come up with:
> 
> re.compile( r'FILEVERSION (?:[0-9]+\,){3}[0-9]+' )
> 
> This works, but I was hoping for something a bit cleaner. I'm having
> to create a special case portion of the regex for the last of the 4
> numbers simply because it doesn't end with a comma like the first 3.
> Is there a better, more compact, way to write this regex?
> -- 
> http://mail.python.org/mailman/listinfo/python-list
> 

Since there cannot be more than one "end of string" you can try this
expression:
re.compile( r'FILEVERSION (?:[0-9]+(,|$)){4}' )