Delete letters in a string variable

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Zheng
Zheng am 31 Mai 2013
Kommentiert: Erfan Askarzadeh am 2 Mär. 2022
Hi,
for instance, string variables are '2456.00A', '2501A',...
How can I delete letters in a string variable?
Thanks in advance.

Akzeptierte Antwort

Jonathan Sullivan
Jonathan Sullivan am 31 Mai 2013
To detect which charectors are letters, you can use the function isletter. Then just simply delete the ones that are letters
Example:
yourString = '2456.00A';
deleteMe = isletter(yourString); % Detect which ones are letters
yourString(deleteMe) = []; % Delete the letters
disp(yourString) % Display the result

Weitere Antworten (1)

Azzi Abdelmalek
Azzi Abdelmalek am 31 Mai 2013
Bearbeitet: Azzi Abdelmalek am 31 Mai 2013
s={'2456.00A', '2501A'};
out=cellfun(@(x) x(regexp(x,'[^a-zA-Z]')),s,'un',0)

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