PaiGram/utils/uid.py

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import re
def mask_number(number):
number_str = str(number)
masked_number = None
if len(number_str) == 9:
masked_number = re.sub(r"(\d{2})(\d{4})(\d{3})", r"\1****\3", number_str)
if len(number_str) == 10:
masked_number = re.sub(r"(\d{3})(\d{4})(\d{3})", r"\1****\3", number_str)
if masked_number:
return masked_number
return "Invalid input"