我需要在Python中对所有美国和国际电话号码进行基本的验证和格式化。以下是我目前的代码:
import re
def validate(number):
number = re.compile(r'[^0-9]').sub('', number)
if len(number) == 10:
# ten-digit number, great
return number
elif len(number) == 7:
# 7-digit number, should include area code
raise ValidationError("INCLUDE YOUR AREA CODE OR ELSE.")
else:
# I have no clue what to do here
def format(number):
if len(number) == 10:
# basically return XXX-XXX-XXXX
return re.compile(r'^(\d{3})(\d{3})(\d{4})$').sub('$1-$2-$3', number)
else:
# basically return +XXX-XXX-XXX-XXXX
return re.compile(r'^(\d+)(\d{3})(\d{3})(\d{4})$').sub('+$1-$2-$3-$4', number)
我主要的问题是我不知道国际电话号码是如何工作的。我假设它们只是10位数字,在前面带有国家代码的\d+
。这是真的吗?