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External Data Source

Source

Regular Expression
^(((((0?[1-9]|[12]\d|3[01])[-/]([0]?[13578]|1[02]))|((0?[1-9]|[12]\d|30)[-/]([0]?[469]|11))|(([01]?\d|2[0-8])[-/]0?2))[-/]((20|19)?\d{2}|\d{1,2}))|(29[-/]0?2[-/]((19)|(20))?([13579][26]|[24680][048])))$