Listing only a certain value in from text file

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fzhmktr
fzhmktr 2019-5-24
编辑： per isakson 2019-5-24
I have a text file name info.txt that consist various of data. For example
car image1.png 1.524
bicycle image2.png 1.443
chair image3.png 1.823
How do i read and sort only the value of each sentence like this
1.524
1.443
1.823
Please help. Thank you.

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回答（1 个）

per isakson
per isakson 2019-5-24
编辑：per isakson 2019-5-24
Try this
%%
chr = fileread('cssm.txt');
%%
cac = regexp( chr, '[\d\.]+(?=[\t\r ]*$)', 'match', 'lineanchors' );
num = str2double( cac );
where cssm.txt contains your text
Peek on the result
>> num
num =
1.524 1.443 1.823
>>

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