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Regular Expression
^[-]?((1[6789]|[2-9][0-9])[0-9]{2}-(0[13578]|1[02])-(0[1-9]|[12][0-9]|3[01]))T([0-1][0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9])([Z]|\.[0-9]{4}|[-|\+]([0-1][0-9]|2[0-3]):([0-5][0-9]))?$|^[-]?((1[6789]|[2-9][0-9])[0-9]{2}-(0[469]|11)-(0[1-9]|[12][0-9]|30))T([0-1][0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9])([Z]|\.[0-9]{4}|[-|\+]([0-1][0-9]|2[0-3]):([0-5][0-9]))?$|^[-]?((16|[248][048]|[3579][26])00)|(1[6789]|[2-9][0-9])(0[48]|[13579][26]|[2468][048])-02-(0[1-9]|1[0-9]|2[0-9])T([0-1][0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9])([Z]|\.[0-9]{4}|[-|\+]([0-1][0-9]|2[0-3]):([0-5][0-9]))?$|^[-]?(1[6789]|[2-9][0-9])[0-9]{2}-02-(0[1-9]|1[0-9]|2[0-8])T([0-1][0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9])([Z]|\.[0-9]{4}|[-|\+]([0-1][0-9]|2[0-3]):([0-5][0-9]))?$

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