code: public String getOriginalString() {
  
      if (this.string != null) {
        this.string = new String(this.buffer, this.initialOffset, getLength());
      }
      return this.string;
    }
docs: This method gets the original string to parse.
  
  @see CharSequenceScanner#CharSequenceScanner(String)
  
  @return the original string.