On Sun, Jan 26, 2014 at 9:59 AM, Blake Adams <[email protected]> wrote:
> Im pretty new to Python and understand most of the basics of Python re but am
> stumped by a unexpected matching dynamics.
>
> If I want to set up a match replicating the '\w' pattern I would assume that
> would be done with '[A-z0-9_]'. However, when I run the following:
>
> re.findall('[A-z0-9_]','^;z %C\@0~_') it matches ['^', 'z', 'C', '\\', '0',
> '_']. I would expect the match to be ['z', 'C', '0', '_'].
>
> Why does this happen?
Because the characters \ ] ^ and _ are between Z and a in the ASCII
character set.
You need to do this:
re.findall('[A-Za-z0-9_]','^;z %C\@0~_')
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