This can be done quite straightforwardly with a recursive regexp:

  our $pal = qr{
    .?
  |
    (.) (??{$pal}) \1
  }x;
  sub is_palindrome {
    shift =~ /^$pal\z/;
  }

[download]

Don't expect it to be particularly efficient. :)

Hugo

In reply to Re: Reverse a Word - without reverse?? by hv
in thread Reverse a Word - without reverse?? by PetaMem

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