Anonymous user
Determine if a string is numeric: Difference between revisions
→{{header|MATLAB}}
Line 1,335:
<lang MATLAB>
% copy from Octave version on this page
function r = isnum(a)
if ( isnumeric(a) )
r = 1;
else
o = str2num(a);
r = !isempty(o);
endif
end
% tests
disp(isnum(123)) % 1
disp(isnum("123")) % 1
disp(isnum("foo123")) % 0
disp(isnum("123bar")) % 0
disp(isnum("3.1415")) % 1
</lang>
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