On Sat, Sep 15, 2018 at 4:09 AM ToddAndMargo <toddandma...@zoho.com
<mailto:toddandma...@zoho.com>> wrote:
On 09/15/2018 12:42 AM, ToddAndMargo wrote:
> Hi All,
>
> I am truing to use a variable inside a regex.
>
> This work (without the variable):
> $ p6 'my $x="6937-2.2.19882.exe"; if $x ~~ m/ .*? <<:\N**4>>
"-"
> (.*?) ".exe" / {say "yes";}'
> yes
>
> I want to turn `<<:\N**4>>` into a variable:
>
>
> $ p6 'my $x="6937-2.2.19882.exe"; my $i="<<:\\N**4>>"; if $x
~~ m/
> .*? $i "-" (.*?) ".exe" / {say "yes";}else{say "No"}; say "$i";'
>
> No
> <<:\N**4>>
>
> The double \\ is to get it past bash
>
>
> What am I doing wrong?
>
> Many thanks,
> -T
never mind. It got just a bit too goofy. I switched
to .contains and sent myself a tag as to when the
first bunch was a random 4 digit number.
On 09/15/2018 07:34 AM, Brandon Allbery wrote:
> To interpolate a variable as a regex instead of as a string literal, you
> need to wrap it in < >.
>
That was easy. I am writing this down! Thank you!
p6 'my $x="6937-2.2.19882.exe"; my $i="6937"; if $x ~~ m/ .*? <$i> "-"
(.*?) ".exe" / {say "yes";}else{say "No"}; say "$i";'
yes
6937
$ p6 'my $x="6937-2.2.19882.exe"; my $i="6938"; if $x ~~ m/ .*? <$i>
"-" (.*?) ".exe" / {say "yes";}else{say "No"}; say "$i";'
No
6938
p6 'my $x="6937-2.2.19882.exe"; my $i="<<:\\N**4>>"; if $x ~~ m/ .*?
<$i> "-" (.*?) ".exe" / {say "yes";}else{say "No"}; say "$i";'
yes
<<:\N**4>>
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