How to retrieve a word from a filename

2012 5 6
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name:"rgb_watermark_lena.jpg"
I want to retrieve only "lena" word from file
It should be "lena.jpg"
Can any one sort out this problem

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Jakob Sørensen
Jakob Sørensen 2012-5-6

1 个投票

name = 'rgb_watermark_lena.jpg';
name(end-7:end-4)
ans =
lena
You probably get the point :)

更多回答（1 个）

Neil Caithness
Neil Caithness 2012-5-6

1 个投票

It rather depends on how general you want it. Here's another example that may help you decide.
filename = 'rgb_watermark_lena.jpg';
[~, name, ext] = fileparts(filename);
nameparts = regexp(name, '_', 'split');
newfilename = fullfile([nameparts{end} ext])

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