Hi Richard,
In a script:
my $s = '\'<favicon />\'';
$s.subst( / "'" ~ "'" (.+) /, {$0}).put;
put s/ \< .+ \/ \> /$// given $s;
put s/ \' <( .+ )> \' /$// given $s;
#all three return:
<favicon />
HTH, Bill.
On Mon, Jan 10, 2022 at 8:46 AM Simon Proctor <simon.proc...@gmail.com> wrote:
>
> Within the regex the ' character is just another string so rather than
> escaping it you can write the regex as :
>
> $s.subst( / "'" ~ "'" (.+) /, $0)
>
> (That's " ' " (without spaces) to be exact.) And it does the trick.
>
> You can do the same when defining it $s = "'<favicon />'"; or $s =
> q['<favicon />']; both work.
>
>
> On Mon, 10 Jan 2022 at 16:12, Richard Hainsworth <rnhainswo...@gmail.com>
> wrote:
>>
>> Aha. Thanks
>>
>> On 10/01/2022 15:59, Gianni Ceccarelli wrote:
>> > On Mon, 10 Jan 2022 15:41:04 +0000
>> > Richard Hainsworth <rnhainswo...@gmail.com> wrote:
>> >
>> >> Using REPL I got
>> >>
>> >> > my $s = '\'<favicon />\''
>> >> '<favicon />'
>> >> > $s.subst( / \' ~ \' (.+) /, $0)
>> >> Use of Nil in string context
>> >> in block <unit> at <unknown file> line 1
>> > That error message (which is a bit LTA) refers to the `$0`. As
>> > https://docs.raku.org/routine/subst#Callable shows, you need to write:
>> >
>> > $s.subst( / \' ~ \' (.+) /, { $0 })
>> >
>> >> > my $t = '{<favicon />}'
>> >> {<favicon />}
>> >> > $t.subst( / \{ ~ \} (.+) /, $0)
>> >> <favicon />
>> > This only appear to work because you're running it in the same REPL
>> > session; the previous `subst` had the side-effect of setting `$0`
>> > (well, it sets `$/`, but `$0` is an alias for `$/[0]`…)
>> >
>
>
>
> --
> Simon Proctor
> Cognoscite aliquid novum cotidie
>
> http://www.khanate.co.uk/
