I'm not sure you even need a regex to do this. What about using unshift to reverse your string? 

use strict;

my $string1 = "abcba";
my $string2 = "abc1da";

if (&reverser($string1)){
    print "Matched! Strings are palindromes.\n";
    }
else{
     print "Sorry, the strings are not palindromes.\n";
}

if (&reverser($string2)){
    print "Matched! Strings are palindromes.\n";
    }
else{
     print "Sorry, the strings are not palindromes.\n";
}


sub reverser{
             my $temp = shift;
             my ($reverse, @temp, @temp2);
             @temp = split ('',$temp);

             foreach (@temp){
                      unshift(@temp2, $_);
                     }
             $reverse = join('', @temp2);
             $temp eq $reverse?1:0;
             }

[download]

Should do what you're requiring without using the regex. You're just running the array you've made from your string and reversing it using the unshift.

There is no emoticon for what I'm feeling now.

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

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.