Feb 16 2021 02:31 PM
The following information I copied from MS site https://docs.microsoft.com/en-us/microsoft-365/compliance/sensitive-information-type-entity-definiti....
Does it mean the SSN issued date is before 2011 or issued after 2011? To me it don't matter when the SSN is issued, it is just 9 digit number. the match accuracy should be the same. Did I miss something here?
Thanks Peter
U.S. social security number (SSN) Format
nine digits, which may be in a formatted or unformatted pattern
Note
If issued before mid-2011, an SSN has strong formatting where certain parts of the number must fall within certain ranges to be valid (but there's no checksum).
Pattern
four functions look for SSNs in four different patterns: