Removes everything except number and letters from string

        :return: All numbers and letters in string

def remove_escapes(self):
        """Removes everything except number and letters from string

        :return: All numbers and letters in string
        """
        chars = []

        i = 0
        while i < len(self.string):
            char = self.string[i]
            if char == "\\":
                i += 1
            else:
                chars.append(char)

            i += 1

        return "".join(chars)