IF Statements - case sensitive

I am writing an IF statement. The user is prompt to enter the word "play" to begin, how do I write it so it is not case sensitive. For example they could enter "Play" or pLay" or PLAy" and it would accept the word

Answer 1

[Chad Greene]

Try the strcmpi function.

[Chad Greene]

For example:

user_input = 'plAy';

if strcmpi(user_input,'play')
    disp('the user has input the word play')
end