#!/usr/bin/perl

# http://perlmonks.org/?node_id=1146191

use strict;
use warnings;

my $sequence = 'AATGGTTTCTCCCATCTCTCCATCGGCATAAAAATACAGAATGATCTAACGAA'
+;

$sequence =~ /(ATG.*?(?:TAG|TAA|TGA))(??{print "$1\n"})/;

[download]

which prints: 

ATGGTTTCTCCCATCTCTCCATCGGCATAA
ATGGTTTCTCCCATCTCTCCATCGGCATAAAAATACAGAATGA
ATGGTTTCTCCCATCTCTCCATCGGCATAAAAATACAGAATGATCTAA
ATGATCTAA

[download]

In reply to Re: Print A Sequence with Start codon and different Stop Codon by Anonymous Monk
in thread Print A Sequence with Start codon and different Stop Codon by PerlKc

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