//身份证正则表达式(15位) isIDCard1=/^[1-9]d{7}((0d)|(1[0-2]))(([0|1|2]d)|3[0-1])d{3}$/; //身份证正则表达式(18位) isIDCard2=/^[1-9]d{5}[1-9]d{3}((0d)|(1[0-2]))(([0|1|2]d)|3[0-1])d{3}([0-9]|X)$/;