hi eric,
i'm not sure i understand -- so given some sequence, abcd, you want to cut
out the previous sequence and next sequence.
are all the sequences of the same size?
pete
> Hi all,
>
> I am writing a perl script to process DNA sequences and want to use
> regular expressions to mark a site at known landmarks (exact sequence
> match) and cut the sequence both before AND after these landmarks. I
> promise to whip out the regexp O'Reilly book tonight, but I need a demo
> up in a couple hours. First correct answer scores a pint of hony beer
> (12% alcohol).
>
> --
> Eric K. Engelhard
