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External Data Source

Source

Regular Expression
^((29\/0?2\/[0-9]{0,2}(04|08|92|96|([1|3|5|7][2|6])|[2|4|6|8][0|4|8]))|(((28|[12][0-7]|0?[1-9])\/0?2)|((30|[12][0-9]|0?[1-9])\/(0?(4|6|9)|11))|((31|[12][0-9]|0?[1-9])\/(0?(1|3|5|7|8))|(10|12)))\/(\d{2}|\d{4}))$