Try the {} notation, that says how many whats are required before the which (as it were). Perhaps something like:-
if (/.{31,33}\|[BNPG]\|/){ return 2; }
Meaning, between 31 & 33 characters. Untested!
No, that is not what it means. It means match . (any character except newline) 31, 32 or 33 times and since it is greedy it will usually be 33 times and *then* match \|[BNPG]\|. So it will try to match \|[BNPG]\| at the 34th or later position since the pattern isn't anchored to the beginning of the line.
John -- use Perl; program fulfillment
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