#! /usr/bin/perl use strict; my $string = "LOCUS SOY4KDPP 545 bp PLN 01-FEB-2000 DEFINITION BIO5 gene complete cds EC=1.7.7.1. ACCESSION D17396 VERSION D17396.1 GI:498167 KEYWORDS protein; insulin-like protein; leginsulin. //"; if ($string =~ /DEFINITION\s\s([\w\s]+)ACCESSION/){ print "$1\n"; } exit;