length of a string

Is there a function that can return the length of a string? I have tried using size. but for some reason it is not going so well.

[Jan]

Please post an exact error description than "is not going well" in the future. Posting the error message is more helpful.

Answer 1

[Fangjun Jiang]

str='abcdefe'
size(str)
length(str)
numel(str)

[Andrei Bobrov]

numel

[Jan]

Especially: size(str, 2)

[Vijay Kamble]

Thanks

Answer 2

[Johannes Kalliauer]

If you have string not a char then you have to use a different command to get the number of chars: strlength

str=string('abcdefe')
strlength(str)

or you can convert the string to a char and then deterimise the length with the code posted by @Fangjun Jiang

str=string('abcdefe')
chr=char(str)
size(chr,2)
length(chr)
numel(chr)

but if you are interested in the number of lines use:

strSplited = splitlines(stringWithLinebreaks);
size(strSplited,1)
length(strSplited)
numel(strSplited)

[Walter Roberson]

Note that in 2011 when the question was originally asked, the string object did not exist and "string" often referred to a character vector.

I think it would have been better if they had used a different datatype name to avoid confusion.

Answer 3

[Daniel Shub]

Have you created a variable called size? what do you get with

which size

It should be something like ../matlab/r2011a/toolbox/matlab/elmat/size