strcmp function using wildcards

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data= 336950 x 2 table

I try to find all rows in data containing "G[0-9][0-9]" such as G01, G09, G33 and etc. I tried the following code:

G_index=find(strcmp('G**',data(:,2)));

but ** cannot be recognized as wildcards.

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Answer 1

Stephen23 2021-11-24

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T = cell2table({'A','XXX';'B','G22';'C','G13';'D','G1234';'E','YYY';'F','G01'})
T = 6×2 table
    Var1       Var2   
    _____    _________

    {'A'}    {'XXX'  }
    {'B'}    {'G22'  }
    {'C'}    {'G13'  }
    {'D'}    {'G1234'}
    {'E'}    {'YYY'  }
    {'F'}    {'G01'  }
idx = ~cellfun(@isempty,regexp(T.Var2,'^G\d\d$','once'))
idx = 6×1 logical array
   0
   1
   1
   0
   0
   1