remove the number at the end of the string in cell array

I have a cell array a = { 'Gain' ; 'Gain1' ; 'Delay' ; 'Delay1'}

I need to remove the number at the end of the string. How can i do this?

answer should be a = { 'Gain' ; 'Gain' ; 'Delay' ; 'Delay'} ;

Thanks a lot

Answer 1

[Stephen23]

You can use regexprep for this:

>> a = { 'Gain' ; 'Gain1' ; 'Delay' ; 'Delay1'};
>> b = regexprep(a,'\d+$','')
>> b{:}
ans = Gain
ans = Gain
ans = Delay
ans = Delay