Help for this page
my $s1='TCGAGTGGCCATGAACGTGCCAATTG'; my $s2='ATGATCCTG'; ... for (my $i=0; $i+$len+10 <= length $s2; ++$i) { print substr($s2, $i, $len+10),"\n"; }
Matches: TCGAGTGGCCATGAACGTG ... TGGCCATGAACGTGCCAAT GGCCATGAACGTGCCAATT GCCATGAACGTGCCAATTG