Leetcode Problem 831. Masking Personal Information
Leetcode Solutions
Masking Personal Information
- Check if the input string contains an '@' symbol to determine if it is an email.
- If it is an email, split the string into name and domain using the '@' symbol.
- Convert the entire email to lowercase.
- Mask the name by keeping the first and last character and replacing the middle characters with five asterisks.
- Concatenate the masked name, '@', and domain to form the masked email.
- If it is a phone number, remove all non-digit characters.
- Determine the length of the country code by subtracting 10 from the total length of digits.
- Mask the last 10 digits as '--XXXX'.
- Prepend the country code mask based on its length (0, 1, 2, or 3 digits).
- Return the masked phone number.
Regex-based Masking of Personal Information
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