How do you change the asterisks in the first string to the characters in the same positions in the second string?

I have two strings for example

string1 = 'v**de***t'

string2 = 'eolehmors'

The outcome should be

out = 'voldemort'

Please do not hard code.

*Note: the input strings will always be the same length

Answer 1

[Karim]

See below for one method.

string1 = 'v**de***t';
string2 = 'eolehmors';

% find location of the asterisks
idx = string1 == '*';

% copy string1
out = string1;
% replace asterisks with data from string2
out(idx) = string2(idx)

out = 'voldemort'

[Alice]

Thank you ver much!