give the matlab command that lists all male names in javascript

Assuming that the names are stored in a JavaScript array, one way to list all male names using MATLAB is to use regular expressions to match male names in the array. Here is an example of how to do this:

main.m
% Define the list of names
names = ['John', 'Jane', 'Robert', 'Michael', 'Sarah', 'David'];

% Define a regular expression to match male names
regexpr = '(John|Robert|Michael|David)';

% Use the regular expression to match male names in the array
maleNames = names(~cellfun(@isempty, regexp(names, regexpr)));

% Print out the male names
fprintf('The male names are: %s\n', strjoin(maleNames, ', '));
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In this example, the regular expression (John|Robert|Michael|David) matches the names "John", "Robert", "Michael", and "David". The regexp function is used to apply this regular expression to each name in the array, and the cellfun function is used to apply the isempty function to each element of the resulting cell array to create a logical array indicating which elements of the original array matched the regular expression. The ~ operator is used to reverse this logical array, so that we end up with a logical array indicating which elements did not match the regular expression. Finally, we use this logical array to index into the original array to extract the male names. The strjoin function is then used to create a comma-separated string of the male names, which is printed out using the fprintf function.