function t = isvarname(s)
%ISVARNAME True for valid variable name.
%   ISVARNAME(S) is true if S is a valid MATLAB variable name. A valid
%   variable name begins with a letter and contains not more than
%   namelengthmax characters. Valid variable names can include letters,
%   digits, and underscores. MATLAB keywords are not valid variable names.
%
%   See also MATLAB.LANG.MAKEVALIDNAME, ISKEYWORD, NAMELENGTHMAX.

%   Copyright 1984-2017 The MathWorks, Inc.

