Using the RegularExpressionValidator Control for ASP.NET with Canadian value formatting.
Canadian Postal Code: OXO XOX
ValidationExpression="[A-Z]\d[A-Z]\s\d[A-Z]\d"
Canadian S.I.N: XXX XXX XXX (with Spaces)
ValidationExpression="\d{3}\s\d{3}\s\d{3}"
Canadian S.I.N: XXX-XXX-XXX (with Dashes)
ValidationExpression="\\d{3}-\d{3}-\d{3}"
Last Updated: 4/8/2018