Hi there
Do you want your "*" to represent a single letter, or what is your intent?
If you want only a single letter between the "V" and "VVP", use "\w"
instead of "*".
re.search('v\wVVP',myseq)
Emma
On Tue, Dec 11, 2012 at 8:54 AM, Hs Hs <ilhs...@yahoo.com> wrote:
> Dear group:
>
> I have 50 thousand lists. My aim is to search a pattern in the
> alphabetical strings (these are protein sequence strings).
>
>
> MMSASRLAGTLIPAMAFLSCVRPESWEPC VEVVP
> NITYQCMELNFYKIPDNLPFSTKNLDLSFNPLRHLGSYSFFSFPELQVLDLSRCEIQTIED
>
> my aim is to find the list of string that has V*VVP.
>
> myseq = 'MMSASRLAGTLIPAMAFLSCVRPESWEPC VEVVP
> NITYQCMELNFYKIPDNLPFSTKNLDLSFNPLRHLGSYSFFSFPELQVLDLSRCEIQTIED'
>
> if re.search('V*VVP',myseq):
> print myseq
>
> the problem with this is, I am also finding junk with just VVP or VP etc.
>
> How can I strictly search for V*VVP only.
>
> Thanks for help.
>
> Hs
>
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