Front page | perl.perl6.users |
Postings from October 2022
>> On Sat, Oct 29, 2022 at 6:46 PM ToddAndMargo via perl6-users >> <perl6-users@perl.org <mailto:perl6-users@perl.org>> wrote: >> >> Hi All, >> >> With a regex, how do I pick out items in the middle of the string? Two >> from the beginning or two from the end? >> >> >> 4] > my Str $y="xxxxxx"; $y ~~ s/ $([.*-2]) "x"/Q/; print $y ~ "\n" >> >> ===SORRY!=== Error while compiling: >> Malformed postfix call >> ------> my Str $y="xxxxxx"; $y ~~ s/ $([.*⏏-2]) "x"/Q/; print $y ~ "\n" >> >> >> >> I am trying to do something like this: >> >> [0] > my Str $x="1\n2\n3\n4\n5\n" >> 1 >> 2 >> 3 >> 4 >> 5 >> >> [1] > print $x.lines[*-2] ~ "\n" >> 4 On 10/29/22 19:16, William Michels via perl6-users wrote: > In the Raku REPL: > > $ raku > Welcome to Rakudo™ v2022.07. > Implementing the Raku® Programming Language v6.d. > Built on MoarVM version 2022.07. > > To exit type 'exit' or '^D' > [0] > #beginning > Nil > [1] > my Str $y="xxxxxx"; S/^ x ** 2 /QQ/.say given $y; > QQxxxx > [1] > #inner > Nil > [2] > my Str $y="xxxxxx"; S/^ [x ** 2] <(x ** 2)> /QQ/.say given $y; > xxQQxx > [2] > #end > Nil > [3] > my Str $y="xxxxxx"; S/ x ** 2 $/QQ/.say given $y; > xxxxQQ > > HTH, Bill. > Yes it does! Thank you! What does capitol S do?Thread Previous | Thread Next