--- Thomas Bätzler <[EMAIL PROTECTED]> wrote:
> chen li <[EMAIL PROTECTED]> asekd:
> > I see some codes as following
> >
> > my $regexp= "(([gatc]{3})\\2{3,})";
> >
> > my $string=~/$regexp/;
> >
> > What is the meaning of {3,} of in \2{3,} ?
>
> The previous element is repeated thrice or more
> often.
> The general syntax is {n,m} where the previous
> element is repeated n to m times.
>
> HTH,
> Thomas
Thanks,
Li
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