May I hesitate and point out that a TW date (singleton wiki) can ONLY be a
number of finite length?
And that number HAS to be *something*. Mohammad & I tend to believe in
those numbers.
When does GMT <> UTC change that?
*I'm struggling without your point.*
TT
On Wednesday, 28 August 2019 18:11:05 UTC+2, Mark S. wrote:
>
> What, have I stumbled into some political landmine? GMT <> UTC ?
>
> It can be the 3rd of the month (with an easy regexp) in one place, but the
> 2nd of the month somewhere else. In that somewhere else, it would
> require a more complicated regexp that matches say 03(00|02|03) to the 2nd
> of the month.
>
> But if you wanted to stick to only UTC, then I think Mohammad's #2 request
> should be possible, though painful. There's only 14 possible yearly
> calendars. So you could
> match the year against a "wednesday" calendar. Then match the month and
> day to determine if the date was a wednesday. There's about 4 Wednesdays per
> month, so there's about 672 elements that would have to be programmed (not
> counting the years, which would be limited to however many you wanted
> to plug in. Whew. That's why date filter operators are needed.
>
> On Wednesday, August 28, 2019 at 7:42:16 AM UTC-7, @TiddlyTweeter wrote:
>>
>> 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
>>>>
>>>>
--
You received this message because you are subscribed to the Google Groups
"TiddlyWiki" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to tiddlywiki+unsubscr...@googlegroups.com.
To view this discussion on the web visit
https://groups.google.com/d/msgid/tiddlywiki/49dcd2f1-60ec-424f-bc83-61c785966ae5%40googlegroups.com.
