What's Greenwich got to do with it?

On Wednesday, 28 August 2019 16:32:24 UTC+2, Mark S. wrote:
>
> The 3rd of the month AT Greenwich, or somewhere else?
>
> You would need to make a different match for every target locale. One 
> location's 3rd is another location's 2nd and another location's 4th.
>
> I don't think regex is a good match for this kind of date comparison. What 
> we need are more tools that will allow us to access and compare
> date stamps. More ways to convert local dates into UTC, add/subtract days, 
> and then convert them back. Filters that understand days of
> the week, month, year. That sort of thing.
>
> Thanks!
>
> On Tuesday, August 27, 2019 at 10:48:13 PM UTC-7, Mohammad wrote:
>>
>> Some solution to first group
>>
>> modified in 2019: ^2019
>> modified in January 2019: ^201901
>> modified in August (any year) : ^\d{4}09
>> modified on 3rd of each month: ^\d{6}03
>> modified on 1st of December (any year): ^\d{4}1201
>> modified between 1st and 9th of December (any year): ^\d{4}120
>>
>>
>> The question
>>
>> created/modified on Wednesdays
>>
>> seems tricky and needs some scripting
>>
>> Cheers
>> Mohammad
>>
>>

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