According to the regexp operator tiddler at tiddlywiki.com:
The filter syntax <http://tiddlywiki.com/#Filter%20Run> makes it impossible
> to directly specify a regular expression that contains square brackets. The
> solution is to store the expression in a variable
> <http://tiddlywiki.com/#Variables>. See the examples
> <http://tiddlywiki.com/#regexp%20Operator%20%28Examples%29>.
In the examples:
<$set name="digit-pattern" value="[0-9]{2}">
> <<list-links "[regexp:title<digit-pattern>]">>
> </$set>
>
>
HTH
Mark
On Saturday, August 26, 2017 at 1:30:07 PM UTC-7, @TiddlyTweeter wrote:
>
> Ciao Mark S. & all ...
>
> I have an issue using character sets in square brackets. A case came up on
> the #buddha stuff, covered earlier in this thread, I overlooked.
> Occasionally I'd include a web address in a Tweet ...
>
> ... https://steamradio.com/buddha.html#BuddhaLink
>
> Under the current regex "#\w+\b", it would capture "#BuddhaLink". It
> shouldn't as its NOT a Twitter hashtag, its just part of an address. There
> are several regex solutions. An economical one looks to me like
> "[^a-z](#\w+\b)".
>
> In this case the capture group is what needs returning, not the whole
> match.
>
> I have an issue ... I simply c*an't figure out how to get the character
> set in square brackets into the regex match formul*a.
>
> Any help much appreciated
> Best wishes
> Josiah
>
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