def SanitizeDomain(s):
  if s is None:
    return None
  s = s.lower().replace('-', '_')
  return ''.join([c for c in s if c.isalnum() or c in ['.', '_']])
Default value of ``get_label`` argument of :py:func:`zss.distance`.
dataset/ETHPy150Open google/apis-client-generator/src/googleapis/codegen/utilities/__init__.py/SanitizeDomain--crossover with--dataset/ETHPy150Open timtadh/zhang-shasha/zss/simple_tree.py/Node.get_label