Strange regex problem
reply.in at the.newsgroup
Sun Mar 2 22:30:38 CET 2003
>I have just (last week) volunteered to take over maintenance of the
>regular expression code, so I'll think about fixing this,
>but it's not clear to me what a fix should entail.
> * Document the flag.
Sure. But would it have helped in this case?
> * Ignore the flag.
I guess whatever it does is there for a reason.
> * Raise an exception for any flag bit other than the document flags.
That sounds like a good idea (assuming you're also going to
document all sensible bits of the flag :-) ), but it stil won't
catch all cases.
> * Others?
I don't think the undocumented flag is the real problem here. If
my understanding is correct, the documentation of search() on
compiled vs. uncompiled re's is somewhat confusing (see also
news:ej646vod013oreo6bvj8ctgdmumdmjjg16 at 4ax.com). So I think
that improving this documentation would probably be more
Also, this definitely proofs that Python's weak typing is not a
good idea. The standard reply "unit testing" obviously doesn't
work when a function/method behaves correctly, but is called
with wrong parameters. This would never have happened in Java.
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