How can I change contents of a string?

조회 수: 1(최근 30일)
Mango 2012년 7월 31일
I have a large cell array where the first column is a bunch of names like:
"Johnson and Johnson "
"Creative - Example "
They are all listed in data{1}
So, the main problem is that when I go to use the information in the "Problem/Cell" the "/" makes a lot of problems and is unusable. So, I would like to replace any "/" with a "-".
What I've done that hasn't worked is
newdata = data{1};
for i = 1:length(data{i})
position(i) = strfind(newdata(i),'/');
position = position';
if ~isempty(position)
newdata(position) = '-';
I get the error: Error using subsindex. Function 'subsindex' is not defined for values of class 'cell'. Error is in line newdata(position) = '-'


the cyclist
the cyclist 2012년 7월 31일
If your array is A, then
A = regexprep(A,'/','-');
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Mango 2012년 7월 31일
This was perfect, so much more simple than what I was doing. Thanks.

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Honglei Chen
Honglei Chen 2012년 7월 31일
Is your newdata also a cell? If so, you need to access it's content via {}.
In your loop definition, you probably mean length(newdata) instead?
Finally, you may want to use strrep to replace the character.

Kevin Holst
Kevin Holst 2012년 7월 31일
I'd say do something like this:
names = strrep({data{:,1}},'/','-');
That assumes that all of the names are only in the first column of your cell array as you said, and it makes a separate cell array with all of the names in it.

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