code: function split(string, separator, limit) {
        if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {
          separator = limit = undefined;
        }
        limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;
        if (!limit) {
          return [];
        }
        string = toString(string);
        if (string && (
              typeof separator == 'string' ||
              (separator != null && !isRegExp(separator))
            )) {
          separator = baseToString(separator);
          if (!separator && hasUnicode(string)) {
            return castSlice(stringToArray(string), 0, limit);
          }
        }
        return string.split(separator, limit);
      }
docs: Splits `string` by `separator`.
  
  **Note:** This method is based on
  [`String#split`](https://mdn.io/String/split).
  
  @static
  @memberOf _
  @since 4.0.0
  @category String
  @param {string} [string=''] The string to split.
  @param {RegExp|string} separator The separator pattern to split by.
  @param {number} [limit] The length to truncate results to.
  @returns {Array} Returns the string segments.
  @example
  
  _.split('a-b-c', '-', 2);
  // => ['a', 'b']