MATLAB: How to select a file based on the filename

filenameselect based on the part of filename

Hi, I have several files and I want to just select one based on the maximum number which I could find on the file name. For example I have
    abcEFG_1all_0.0675_0.2035.mat
    abcEFG_1all_0.087534_0.40354.mat
    abcEFG_1all_0.167534_0.603123.mat
and I just want to select and work on this file
abcEFG_1all_0.167534_0.603123.mat
because the numbers are higher than the others. Any suggestion would be appreciated in advance.
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