Validate Swedish Coordination Numbers

A Swedish coordination number can be written in a lot of different ways. It normally takes one of the standard forms (YYMMDD-BBBC, YYMMDD+BBBC or YYYYMMDDBBBC) but can also include variations with whitespaces etc. Use the form below to parse a value and find out data that be extracted form the number such as date of birth and gender.

191710912385 is recognized as a valid Swedish Coordination Number!
Note: It is found in the list of testdata that is forbidden to use in production!

171091+2385

10 Digit String	171091+2385	This is the most common format, often refered to as YYMMDD-XXXX. The year is represented as 2 digits and the delimiter provides the info required to get the full year.
12 Digit String	191710912385	The format that is the receomended one to use when persisting it as it contains the full year as digits and no delmiter that changes over time..
Year	1917	The year the person was born.
Month	10	The month the person was born.
Day	31	The day the person was born. Note: Because of a limited amount of birth numbers per day (1000) a person might not receive the exact day as the day part. It can be a few days later or earlier, but always within the same month.
Coordination day	91	The day part of the number. Is the Day + 60.
Delimiter	+	By default a hyphen (-) but turns into a plus (+) the year the person turns 100.
Gender	Female	Extracted from Birth Number.
Date of Birth	1917-10-31	Extracted from Year, Month and Day. See potential limitation on Day.
Age	107	Extracted from Date of Birth. See potential limitation on Day.