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
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