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Locating number from file name

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D F
D F 2018-3-28
评论： Star Strider 2018-3-28
I have file names 'Shot 12 Spectra data.mat' (many files where just the number varies). I want to select just the number from the file name. How do I do this please?

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Star Strider
Star Strider 2018-3-28
编辑：Star Strider 2018-3-28
Try this:
str = 'Shot 12 Spectra data.mat';
Nr = sscanf(str, '%*s%d')
Nr =
12
EDIT —
If the file names are in a cell array:
cel = {'Shot 12 Spectra data.mat'; 'Shot 13 Spectra data.mat'};
Nr = cellfun(@(x)sscanf(x, '%*s%d'), cel)
Nr =
12
13

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