var csvContent = "title*, filter, Color_Red, Color_Green, Color_Blue, \n\
Hidrografia, 1.0\\,==, 0, 0, 255, \n\
Nuvem, 2.0\,==, 0, 255, 255, \n\
Floresta, 3.0\,==, 38, 115, 0, \n\
Nao floresta, 4.0\,==, 255, 74, 255,";
var lines = csvContent.split(/[\n]+/);
var matrix = [];
for (var iLine = 0, lineCount = lines.length; iLine < lineCount; iLine++){
  matrix.push(lines[iLine].split(/[ \s\t]*(?<!\\),[ \s\t]*/));
}
console.log("Matrix", matrix)
;