What have you tried so far?

A simple solution might to be match all occurrences and then select which you want to keep : 

use strict;
use warnings;

my $string = '1potato 2potato 3potato 4 potato';

print +( $string =~ m/(\d+potato)/g )[2];

[download]

Just a something something...

In reply to Re: match the nth pattern by BioLion
in thread match the nth pattern by abubacker

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