How can i find the all the positions of elements in cell and record them all in an the same cell

How can i find the all the positions of elements in cell and record them all in an the same cell ?

the following code gives me a cell with a column showing each word splitted, but i also need to know positions of them in text file.

for example : apple napkin bus bus kid, the result looking for is : bus 2 3 4 napkin 1 2 kid 1 5 apple 1 1.

the first number is their frequency , the follwing numbers are their positions

fid=fileread('file.txt');
fid=lower(fid); %convert letters to lower case
fid=regexprep(fid,'\W',' '); %regexprep to replace any character that is not alphabetic using \W with space ' '
words=regexp(fid,' ','split'); %using space ' ' to split words then put into cell
rank=tabulate(words); %compute the frequency
ans=sortrows(rank,-2); %sort the frequency

[KSSV]

YOu should attach your text file.

[VINH CHI HA]

my file is updated now, thank you

Answer 1

[KSSV]

fid = fopen('data.txt','rt') ;
S = textscan(fid,'%s','delimiter','\n') ;
S = S{1} ; 
fclose(fid) ; 
S = strsplit(S{1})' ; 
idx = contains(S,'network') ;

iwant = {'network',nnz(idx),find(idx)}

If contains is not available, read about strcmp and strcmpi.

Answer 2

[Andrei Bobrov]

f = fopen('data.txt'); str = textscan(f,'%s','delimiter','\n'); fclose(f);
str = regexp(str{1},'\w+','match','once');
[a,b,c] = unique(str(:),'stable');
out = [a,num2cell(accumarray(c,1)),accumarray(c,(1:numel(c))',[],@(x){x})];