JS验证篇

JS判断是否为数字,包括小数

function isRealNum(val){if(val === "" || val ==null){return false;}if(!isNaN(val)){return true;}else{return false;}
}

JS判断是否为手机号码

function isPhone(str){var myreg=/^[1][3,4,5,7,8][0-9]{9}$/;if (!myreg.test(str)) {return false;} else {return true;}
}

JS判断是否为邮箱

function isEmail(str){var re=/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/;if (re.test(str) != true) {return false;}else{return true;}
}

JS判断是否是身份证号

function isCardNo(card){var reg = /(^\d{15}$)|(^\d{18}$)|(^\d{17}(\d|X|x)$)/;if(reg.test(card) === false){return false;}else{return true;}
}