Thanks a lot.
But further, if I want to catch the match like this:
```
<$set name="pattern" value="{{the (.*?) thing}}">
<<list-links "[regexp:text<pattern>]">>
</$set>
```
How can I get the (.*?)'s value?
在2015年8月15日星期六 UTC+8 下午4:20:50<Eric Shulman> 写道：
> On Saturday, August 15, 2015 at 12:32:44 AM UTC-7, John wrote:
>>
>> Filter search using search[{{}}] shows a tiddler about transclusion.
>> But Filter search using regexp[{{[a-zA-Z0-9]*}}] does not yield the same
>> result.
>>
>
> 1) you need to search in the correct field
>
> By default, search[{{}}] look in both the tiddler title and content.
> There is one tiddler, [[Transclusion Basic Usage]] that contains the
> literal "{{}}".
> However, regexp[{{}}] defaults to only the title field, and there are no
> tiddler *titles* that include the curly braces, thus no results.
>
> To apply a regexp filter on the tiddler content, you need specify the
> desired field by writing regexp:text[...]
>
> 2) The documentation in http://tiddlywiki.com/#regexp%20Operator says
> this:
>
>> "The filter syntax makes it impossible to directly specify a regular
>> expression that contains square brackets. The solution is to store the
>> expression in a variable. See the examples."
>
>
> Thus, to run the filter you want, you can't use the Advanced Search/Filter
> tab. Instead, you need to write something like this into a tiddler:
> <$set name="pattern" value="{{[a-zA-Z0-9]*}}">
> <<list-links "[regexp:text<pattern>]">>
> </$set>
>
> Hope this helps,
>
> enjoy,
> -e
> Eric Shulman
> ELS Design Studios
> TiddlyTools - "Small Tools for Big Ideas!"
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