How to test characters of a string

[Dave]

I hate regEx and avoid it whenever possible, I’ve never found something that was impossible to do without it.

> On 8 Jun 2022, at 00:49, dn <PythonList at DancesWithMice.info> wrote:
> 
> On 08/06/2022 10.18, De ongekruisigde wrote:
>> On 2022-06-08, Christian Gollwitzer <auriocus at gmx.de> wrote:
>>> Am 07.06.22 um 21:56 schrieb Dave:
>>>> It depends on the language I’m using, in Objective C, I’d use isNumeric, just wanted to know what the equivalent is in Python.
>>>> 
>>> 
>>> Your problem is also a typical case for regular expressions. You can 
>>> create an expression for "starts with any number of digits plus optional 
>>> whitespace" and then replace this with nothing:
>> 
>> Regular expressions are overkill for this and much slower than the
>> simple isdigit based solution.
> 
> ...
> 
>> Regular expressions are indeeed extremely powerful and useful but I tend
>> to avoid them when there's a (faster) normal solution.
> 
> Yes, simple solutions are (likely) easier to read.
> 
> RegEx-s are more powerful (and well worth learning for this reason), but
> are only 'readable' to those who use them frequently.
> 
> Has either of you performed a timeit comparison?
> -- 
> Regards,
> =dn
> -- 
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