Sozialversicherungsnummer validieren Regex
^(?!b(\d)1+b)(?!123456789|219099999|078051120)(?!666|000|9\d{2})\d{3}(?!00)\d{2}(?!0{4})\d{4}$
Bored Bear
^(?!b(\d)1+b)(?!123456789|219099999|078051120)(?!666|000|9\d{2})\d{3}(?!00)\d{2}(?!0{4})\d{4}$