search for: nhq29

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2009 Feb 24
2
using perl regular expression
Hello everybody! I'm using Perl regular Expression for find pattern in my data set. The pattern is: NaQxy, where a=E, F, G or H and xy != 29. I have tried this: pattern <- "^N[E-H]Q[0-9]{2,2}" index <- grep(pattern, X, perl=T) #where X is my vector But the problem is the xy should not be 29. How can I solve this problem. Thanks!!! Regards, Katrine [[alternative