[Biopython] Find Sub-sequence with Variable positions

[Jurgens de Bruin]

Hi,

I hope someone can help me with the following:

I want to find a sub-sequence within a sequence,but the catch is that the
sub-sequence contains positions that are variable and does not have to
match 100%.
For example:
if the following is the sub-sequence all the postions have to match but
position 5(A) can be any of the 4 bases ( ACGT ) within the query-seq.
ACGTACGTACGT

Thanks!!!


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Jurgens de Bruin