DataFlex Web Service for Checksums based on the 'ElfProef'. The 'ElfProef' is a CRC technique determine if a number is a valid number where the sum of the passed digits divided by 11 must be a integer. Security Note: No information about the passed numbers will be stored, we only count the number of times anyone used one of the functions of this webservice for statistic reports.

• IsAllNumbers
  This function checks if a passed 'number' contains all numbers, so if every character is in the the '0123456789' range.
• StripToNumeric
  This function strips out all characters from the input string that are not numeric.
• BankAccountNumbersTest
  This function assumes you pass a Bank Account Number (strips out all non numeric characters) and checks the number with the 'ElfProef'. If it is succesful the result will be 1 (=True) else it returns 0 (=False).
• BSNTest
  This function assumes you pass a 'Burger Service Number' (it strips out all non numeric characters) and checks the number with the 'ElfProef'. If it is succesful the result will be 1 (=True) else it returns 0 (=False).