Amazing. Thanks very much, works fine.
On Saturday, 18 August 2018 14:51:13 UTC+1, Mark S. wrote:
>
> You're trying to "glue" the result of a transclusion into a string.
> Whenever you need to do that, you almost always need a macro. This worked
> in my quick test:
>
> \define filt() ^$(dt)$10
> <$set name="dt" value={{!!title}}>
> Number of entries: <$count filter="[regexp:startdate<filt>]"/>
> </$set>
>
> HTH
> -- Mark
>
> On Saturday, August 18, 2018 at 6:40:12 AM UTC-7, Pin Tail wrote:
>>
>> I'm trying to transclude the title of a tiddler into a regular expression
>> and can't figure out why it's not working.
>>
>> I've created a year summary template tiddler, and in a given year, I want
>> to show for each month how many tiddlers have a date (in their startdate
>> date field) in that month. The idea is that the yeartemplate tiddler would
>> be transcluded into a tiddler whose title is simply the year. I want to use
>> a regular expression which combines the title of the transcluding tiddler
>> (i.e. the year) with each month, in order to show a month-by-month
>> breakdown.
>>
>> So my 2014 tiddler just looks like this:
>> {{||yeartemplate}}
>>
>> And the yeartemplate tiddler, looks like this (focusing just on the month
>> of October here, for brevity).
>>
>> <$set name="filt" value="^{{!!title}}10">
>> Number of entries: <$count filter="[regexp:startdate<filt>]"/>
>> </$set>
>>
>> However, this doesn't work. I get a count of zero even though I know
>> there are many matching tiddlers. To try and work out what the problem is,
>> I've extended my yeartemplate tiddler to compare the transclusion method
>> with writing out the regexp directly:
>>
>> <$set name="filt" value="^201410">
>> <<filt>>
>>
>> Number of entries: <$count filter="[regexp:startdate<filt>]"/>
>> </$set>
>>
>> <$set name="filt" value="^{{!!title}}10">
>> <<filt>>
>>
>> Number of entries: <$count filter="[regexp:startdate<filt>]"/>
>> </$set>
>>
>> The results of the above template, when transcluded into a tiddler with
>> the title "2014" are given below:
>>
>> ^201410 Number of entries: 23
>>
>> ^201410 Number of entries: 0
>>
>>
>> Even though the "filt" variable which contains the regular expression is
>> identical after transclusion, it doesn't find the matching tiddlers which
>> *are* found when an identical regexp is hard coded. What's going on?
>>
>
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