Check: How valid is the regular expression for United Kingdom.

[antonyoung]

Description: Currently there's an regular expression for United Kingdom. Not sure how valid this regular expression is.

Todo:

• Validate current regular expression, maybe there are exceptions?

• Hint for possible solution: stackoverflow

  RegexPattern = @"^(?<alphanumeric1>(([A-Z][0-9]{1,2})|(([A-Z][A-HJ-Y][0-9]{1,2})|(([A-Z][0-9][A-Z])|([A-Z][A-HJ-Y][0-9]?[A-Z])))))(?<whitespace>\s?)(?<alphanumeric2>[0-9][A-Z]{2}$)"

  Code:

• In case a new valid regular expression, change accordingly.

• Add tests to validate these exceptions.