Fair enough. :) I'll see your improvement and raise you this:

use strict;
use warnings;

my @testStrings = qw{
   abc.1.0.1.0
   bnnn.1.0.1.1
   this.that.1.0.12.0
   dots.a.plenty.here.1.0.2.1
   };

foreach my $testString ( @testStrings )
{
    my @parts = split m{\.}, (scalar reverse $testString), 5;
    my $rest = scalar reverse $parts[4];
    my $digits = join q{.}, 
        map{ scalar reverse $_ } 
        reverse @parts[0..3];
    print qq{$rest -- $digits\n};
}

[download]

If the digits could also be > 10, yours will reverse them (like the this.that in this example is 12, yours would print 21).

--
meraxes

In reply to Re^3: string manipulation by meraxes
in thread string manipulation by green_lakers

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