Regex to match odd numbers

[Abigail]

On Tue, May 27, 2014 at 04:54:47PM +0100, Dirk Koopman wrote:
> On 27/05/14 16:22, David Cantrell wrote:
>> As part of the nasty mess that is CPANdeps, I have this line of code:
>>
>> $record->{is_dev_perl} = (
>>    $record->{perl} =~ /(^5\.(7|9|11|13|15|17|19|21)|rc|patch)/i
>> ) ? 1 : 0;
>>
>> I'd like to not have to remember to add 23 to the list in a year or so's
>> time. Can anyone think of a nice way of matching any odd number from 7
>> upwards?  Obviously it's easy to do in a coupla lines of perl code
>> instead of a regex, so I'm asking more out of curiosity than because I
>> actually need it.
>>
>
> $bool = ($record->{perl} > 7) & 1;     # for example?
>

  $ perl -wE 'say +(8 > 7) & 1'
  1
  $


It would be very odd to consider 8 to be odd.


Abigail