writing a code involving struct

Question

NUR KHAIRUNNISA rahimi 2011-11-8

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/20609-writing-a-code-involving-struct

I have a file with a list of words, and what I want to do is to keep the words in such an arrangement where it will turn out like this letters='abcdefghijklmn......xyz'

wordbank.a=airplane
           aerosol 
wordbank.b=bulky
             big
             best
wordbank.c=..... ....
until 
wordbank.z=zebra ....
                 ....
                  ....

the whole code will be placed in a while loop, where every line in the word list will be processed and stored in the above arrangement. However I am not sure what is the right way of writing the code to make this happen.

Can somebody assist me with this?Thank you.

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NUR KHAIRUNNISA rahimi 2011-11-8

This page doesn't allow any space, therefore please know that the words are supposed to be kept in a [row,1] matrix

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Answer 1

Fangjun Jiang 2011-11-20

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https://ww2.mathworks.cn/matlabcentral/answers/20609-writing-a-code-involving-struct#answer_28600

在 MATLAB Online 中打开

For fun, just take all the text from TMW website and sort them according to the first letter and then put them into a word bank.

words=urlread('http://www.mathworks.com');
words=regexp(words,'[A-Za-z]*','match');
for letter='a':'z'
    Wordbank.(letter)=words(strncmpi(words,letter,1));
end

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Walter Roberson 2011-11-20

'[A-Za-z]+'

would be a better search pattern: with the '*' it would also match the empty string, which occurs in _every_ line (including empty lines)

Fangjun Jiang 2011-11-20

It won't result in empty string as it searches only for 'A' to 'Z' and 'a' to 'z'. I ran any(cellfun('isempty',words)) and it didn't find any. However, using '+' is better than '*' as there is no change of zero match.

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