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External Data Source

Source

Regular Expression
^((((19|20)(([02468][048])|([13579][26])).02.29))|((20[0-9][0-9])|(19[0-9][0-9])).((((0[1-9])|(1[0-2])).((0[1-9])|(1[0-9])|(2[0-8])))|((((0[13578])|(1[02])).31)|(((0[1,3-9])|(1[0-2])).(29|30)))))$