This works very similar (almost exactly) to PHP substr function
See https://www.w3schools.com/php/func_string_substr.asp
--Mohammad
On Saturday, March 28, 2020 at 11:59:29 PM UTC+4:30, Mohammad wrote:
>
> This seems the fail-safe one
>
> \define substr(string, start:0, length)
> <$vars Length={{{
> [[$length$]!is[blank]then[$length$]]~[[$string$]length[]] }}} >
> <$text text={{{
> [<__string__>split[]butfirst<__start__>first<Length>join[]] }}} />
> </$vars>
> \end
>
>
> See these examples:
>
> # <<substr>>
> # <<substr string:"Test">>
> # <<substr start:1>>
> # <<substr length:2>>
> # <<substr string:"Test" length:2>>
> # <<substr string:"Test" start:1 length:2>>
> # <<substr string:"Test" start:-4 length:2>>
>
>
>
>
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