On 06/03/18 22:17, Albert-Jan Roskam wrote:
> But the way you wrote it, the generator expression just "floats"
Any expression can be used where a value is expected provided
that e3xpression produces a value of the required type.
A generator expression effectively produces a sequence and
the type
On Tue, Mar 06, 2018 at 10:17:20PM +, Albert-Jan Roskam wrote:
> > >>> all(c.isdigit() for c in '12c4')
> > False
>
> I never understood why this is syntactically correct. It's like two
> parentheses are missing.
>
> This I understand:
> all((c.isdigit() for c in '12c4'))
> Or this:
> all([
On Feb 27, 2018 09:50, Alan Gauld via Tutor wrote:
>
> On 27/02/18 05:13, Cameron Simpson wrote:
>
> > hard to debug when you do. That's not to say you shouldn't use them, but
> > many
> > people use them for far too much.
>
>
> > Finally, you could also consider not using a regexp for this part
On 27/02/18 09:50, Peter Otten wrote:
>> def all_digits(s):
>> return all(c.isdigit() for c in s)
>
> Note that isdigit() already checks all characters in the string:
Ah! I should have known that but forgot.
I think the singular name confused me.
> The only difference to your suggestion is
Alan Gauld via Tutor wrote:
> On 27/02/18 05:13, Cameron Simpson wrote:
>
>> hard to debug when you do. That's not to say you shouldn't use them, but
>> many people use them for far too much.
>
>
>> Finally, you could also consider not using a regexp for this particular
>> task. Python's "int"
On 27/02/18 05:13, Cameron Simpson wrote:
> hard to debug when you do. That's not to say you shouldn't use them, but many
> people use them for far too much.
> Finally, you could also consider not using a regexp for this particular task.
>
> Python's "int" class can be called with a string,
On Mon, Feb 26, 2018 at 11:01:49AM -0800, Roger Lea Scherer wrote:
> The first step is to input data and then I want to check to make sure
> there are only digits and no other type of characters. I thought regex
> would be great for this.
I'm going to quote Jamie Zawinski:
Some people, when
On Mon, 26 Feb 2018, Terry Carroll wrote:
Instead of looking fo re xcaprions..
Wow. That should read "Instead of looking for exceptions..." Something
really got away from me there.
--
Terry Carroll
carr...@tjc.com
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Tutor maillist - Tutor@pyth
On Mon, 26 Feb 2018, Roger Lea Scherer wrote:
""" ensure input is no other characters than digits
sudocode: if the input has anything other than digits
return digits """
p = re.compile(r'[^\D]')
I'm not so great at regular expressions, but this regex appears to be
searching for a str
On 26Feb2018 11:01, Roger Lea Scherer wrote:
The first step is to input data and then I want to check to make sure
there are only digits and no other type of characters. I thought regex
would be great for this.
Many people do :-) They are a reasonable tool for an assortment of text
matching
The first step is to input data and then I want to check to make sure
there are only digits and no other type of characters. I thought regex
would be great for this. The program works great, but no matter what I
enter, the regex part does the same thing. By same thing I mean this:
RESTA
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