Regular Expression bug?

[2QdxY4RzWzUUiLuE at potatochowder.com]

On 2023-03-02 at 14:22:41 -0500,
jose isaias cabrera <jicman at gmail.com> wrote:

> For the RegExp Gurus, consider the following python3 code:
> <code>
> import re
> s = "pn=align upgrade sd=2023-02-"
> ro = re.compile(r"pn=(.+) ")
> r0=ro.match(s)
> >>> print(r0.group(1))
> align upgrade
> </code>
> 
> This is wrong. It should be 'align' because the group only goes up-to
> the space. Thoughts? Thanks.

The bug is in your regular expression; the plus modifier is greedy.

If you want to match up to the first space, then you'll need something
like [^ ] (i.e., everything that isn't a space) instead of that dot.