Jquery подстрока длинная строка между двумя словами

var string = "T-shirt SKU-TST071815-BLACKTHAMB (Code: 111R)";

console.info(
  string.substring(string.indexOf('SKU-') + 4, string.indexOf(' (Code'))
);

var string = "T-shirt SKU-TST071815-BLACKTHAMB (Code: 111R)"

var re = /SKU-[\w-]+/gi;
var sku = re.exec(string);
console.info(sku);

var string = "T-shirt SKU-TST071815-BLACKTHAMB (Code: 111R)"

var sku = string
  // split at position where SKU-1 starts
  .split(/(?=SKU-)/)
  // get last string(Second half)
  .pop()
  // split based on space and get first element
  .split(' ')[0];

console.info(sku);