islikevarname

  ISLIKEVARNAME - Is a string like a Matlab variable name (begin with letter)?

   [B, ERRORMSG] = ISLIKEVARNAME(NAME)

   Checks to see if NAME is a like a valid Matlab variable name. It must
      a) begin with a letter
      b) not have any whitespace

   Unlike real Matlab variables, NAME may be a Matlab keyword.

   B is 1 if NAME meets the criteria and is 0 otherwise.
   ERRORMSG is a text message describing the problem.

   See also: ISVARNAME, VALID_VARNAME