[R] How to find data that includes certain values

[poppinkid]

I am trying to return an index for a data set by searching using filenames.  

The name may be ANG_AUT.N.0734C70411A-1_1sA_0734C70411A.fasta, but i'd just
like to search it using the term "0734C70411"  as the file may be
0734C70411A or 0734C70411C or 0734C70411D

Any way to do this other than doing something like this.  where 0734C70411A
is part of matrix list[,8]

samp=paste("ANG_AUT.N.",list[i,8],"-1_1sA_",list[i,8],".fasta",sep="")
data[which(data[,2]==samp),]

This is similar to the =~/ / function in perl.


Thanks
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