# Matches Unredacted Social Security Numbers
(?<=(^|\D))                # Match after line start or a non-digit, so that random dashed numbers don't match.
(?<AreaNumber>\d{3,3})     # 3 Digit Area Number (if allocated after 2011 no longer reflects area)
\-(?<GroupNumber>\d{2,2})  # 2 Digit Group Number
\-(?<SerialNumber>\d{4,4}) # 4 Digit Serial Number

