#!/usr/bin/perl
# https://perlmonks.org/?node_id=1218306
use strict;
use warnings;
my $a = 'TTTATTT';
my $b = 'TTTTTTT';
my $c = 'TBTTTTT';
print "compare $a to $b, difference is ",
$a =~ s/[$b]+//gr, $b =~ s/[$a]+//gr, "\n";
print "compare $b to $c, difference is ",
$b =~ s/[$c]+//gr, $c =~ s/[$b]+//gr, "\n";
Outputs:
compare TTTATTT to TTTTTTT, difference is A
compare TTTTTTT to TBTTTTT, difference is B
-
Are you posting in the right place? Check out Where do I post X? to know for sure.
-
Posts may use any of the Perl Monks Approved HTML tags. Currently these include the following:
<code> <a> <b> <big>
<blockquote> <br /> <dd>
<dl> <dt> <em> <font>
<h1> <h2> <h3> <h4>
<h5> <h6> <hr /> <i>
<li> <nbsp> <ol> <p>
<small> <strike> <strong>
<sub> <sup> <table>
<td> <th> <tr> <tt>
<u> <ul>
-
Snippets of code should be wrapped in
<code> tags not
<pre> tags. In fact, <pre>
tags should generally be avoided. If they must
be used, extreme care should be
taken to ensure that their contents do not
have long lines (<70 chars), in order to prevent
horizontal scrolling (and possible janitor
intervention).
-
Want more info? How to link
or How to display code and escape characters
are good places to start.
|