how add characters to sequence?

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huda nawaf
huda nawaf 2012-2-27
hi, I have this seq. for example qwe hj l
what I need is adding gaps in spaces of this sequence, such qwe---hj--l
I want code do that
many thanks in advance

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回答（1 个）

Andrei Bobrov
Andrei Bobrov 2012-2-27
out = regexprep('qwe hj l',' ',' ')
or
a = regexp('qwe hj l',' ','split');
out = cell2mat(cellfun(@(x)[x,blanks(length(x))],a,'un',0))
  2 个评论
huda nawaf
huda nawaf 2012-2-27
thanks ,
but the result is not what I need
when use regexprep, I got
qwe hj l
i have long sequences, this is just example , I need something more general.
i.e I need code palce '-' in any space find it.
I can not get the index of spaces, this is my problem.
ex. z='qwe hj l';
for i=1:length(j)
if z(i)==' '
z(i)='-'
end
end
this is code did not get the spaces, also when use if z(i)==[].
So, how I can get the index of spaces?
i tried use if

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