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my $s1 = "1,0,CTGCCACCGCTGT"; ... #The format show this: sequence_index,string_pos,$string #So the two strings above are in the same sequence 1.
CTGCCACCGCTGT (s1) ACCGCTGTGTTTCGGCCGGCGA (s2) ... and also to identify the position of the interesected string, in this case 6