isvarname
Determine if input is valid variable name
Description
tf = isvarname(
determines
if input s
)s
is a valid variable name. If s
is
a valid MATLAB® variable name the isvarname
function
returns logical 1
(true
). Otherwise
it returns logical 0
(false
).
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. To determine if the input is a MATLAB keyword,
use the iskeyword
function.
isvarname
is the
command form of the syntax. The command form requires fewer special
characters. You do not need parentheses or single quotes around the
input.s
Examples
Input Arguments
Extended Capabilities
Version History
Introduced before R2006a