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External Data Source

Source

Regular Expression
^((((((0?[1-9])|([1-2][0-9])|(3[0-1]))-(([jJ][aA][nN])|([mM][aA][rR])|([mM][aA][yY])|([jJ][uU][lL])|([aA][uU][gG])|([oO][cC][tT])|([dD][eE][cC])))|(((0?[1-9])|([1-2][0-9])|(30))-(([aA][pP][rR])|([jJ][uU][nN])|([sS][eE][pP])|([nN][oO][vV])))|(((0?[1-9])|(1[0-9])|(2[0-8]))-([fF][eE][bB])))-(20(([13579][01345789])|([2468][1235679]))))|(((((0?[1-9])|([1-2][0-9])|(3[0-1]))-(([jJ][aA][nN])|([mM][aA][rR])|([mM][aA][yY])|([jJ][uU][lL])|([aA][uU][gG])|([oO][cC][tT])|([dD][eE][cC])))|(((0?[1-9])|([1-2][0-9])|(30))-(([aA][pP][rR])|([jJ][uU][nN])|([sS][eE][pP])|([nN][oO][vV])))|(((0?[1-9])|(1[0-9])|(2[0-9]))-([fF][eE][bB])))-(20(([13579][26])|([2468][048])))))$