In article <fy6PNKAvhSK0Ew5J at demon.co.uk>,
Dr. Duncan Clark <duncan at genesys.demon.co.uk> wrote:
>Have you ever tried to find base 1,600,000 in a 3,000,000 bases? Is
>their any software out there that will renumber it or a macro for MS
>Word that will do it?
This is a trivial operation in Perl which gladly finds substrings
of million character strings by pattern or by ordinality.
Perl is freely available and is free. (http://www.perl.com)