正则验证的一些小列子

var regexEnum =
{
 intege:"^-?[1-9]\\d*$",     //整数
 intege1:"^[1-9]\\d*$",     //正整数
 intege2:"^-[1-9]\\d*$",     //负整数
 num:"^([+-]?)\\d*\\.?\\d+$",   //数字
 num1:"^[1-9]\\d*|0$",     //正数(正整数 + 0)
 num2:"^-[1-9]\\d*|0$",     //负数(负整数 + 0)
 decmal:"^([+-]?)\\d*\\.\\d+$",   //浮点数
 decmal1:"^[1-9]\\d*.\\d*|0.\\d*[1-9]\\d*$",   //正浮点数
 decmal2:"^-([1-9]\\d*.\\d*|0.\\d*[1-9]\\d*)$",  //负浮点数
 decmal3:"^-?([1-9]\\d*.\\d*|0.\\d*[1-9]\\d*|0?.0+|0)$",  //浮点数
 decmal4:"^[1-9]\\d*.\\d*|0.\\d*[1-9]\\d*|0?.0+|0$",   //非负浮点数(正浮点数 + 0)
 decmal5:"^(-([1-9]\\d*.\\d*|0.\\d*[1-9]\\d*))|0?.0+|0$",  //非正浮点数(负浮点数 + 0)

 email:"^\\w+((-\\w+)|(\\.\\w+))*\\@[A-Za-z0-9]+((\\.|-)[A-Za-z0-9]+)*\\.[A-Za-z0-9]+$", //邮件
 color:"^[a-fA-F0-9]{6}$",    //颜色
 url:"^http[s]?:\\/\\/([\\w-]+\\.)+[\\w-]+([\\w-./?%&=]*)?$", //url
 chinese:"^[\\u4E00-\\u9FA5\\uF900-\\uFA2D]+$",     //仅中文
 ascii:"^[\\x00-\\xFF]+$",    //仅ACSII字符
 zipcode:"^\\d{6}$",      //邮编
 mobile:"^(13|15)[0-9]{9}$",    //手机
 ip4:"^(25[0-5]|2[0-4]\\d|[0-1]\\d{2}|[1-9]?\\d)\\.(25[0-5]|2[0-4]\\d|[0-1]\\d{2}|[1-9]?\\d)\\.(25[0-5]|2[0-4]\\d|[0-1]\\d{2}|[1-9]?\\d)\\.(25[0-5]|2[0-4]\\d|[0-1]\\d{2}|[1-9]?\\d)$", //ip地址
 notempty:"^\\S+$",      //非空
 picture:"(.*)\\.(jpg|bmp|gif|ico|pcx|jpeg|tif|png|raw|tga)$", //图片
 rar:"(.*)\\.(rar|zip|7zip|tgz)$",        //压缩文件
 date:"^\\d{4}(\\-|\\/|\.)\\d{1,2}\\1\\d{1,2}$",     //日期
 qq:"^[1-9]*[1-9][0-9]*$",    //QQ号码
 tel:"^(([0\\+]\\d{2,3}-)?(0\\d{2,3})-)?(\\d{7,8})(-(\\d{3,}))?$", //电话号码的函数(包括验证国内区号,国际区号,分机号)
 username:"^\\w+$",      //用来用户注册。匹配由数字、26个英文字母或者下划线组成的字符串
 letter:"^[A-Za-z]+$",     //字母
 letter_u:"^[A-Z]+$",     //大写字母
 letter_l:"^[a-z]+$",     //小写字母
 idcard:"^[1-9]([0-9]{14}|[0-9]{17})$" //身份证
}

var aCity={11:"北京",12:"天津",13:"河北",14:"山西",15:"内蒙古",21:"辽宁",22:"吉林",23:"黑龙江",31:"上海",32:"江苏",33:"浙江",34:"安徽",35:"福建",36:"江西",37:"山东",41:"河南",42:"湖北",43:"湖南",44:"广东",45:"广西",46:"海南",50:"重庆",51:"四川",52:"贵州",53:"云南",54:"西藏",61:"陕西",62:"甘肃",63:"青海",64:"宁夏",65:"新疆",71:"台湾",81:"香港",82:"澳门",91:"国外"}

function isCardID(sId){
 var iSum=0 ;
 var info="" ;
 if(!/^\d{17}(\d|x)$/i.test(sId)) return "你输入的身份证长度或格式错误";
 sId=sId.replace(/x$/i,"a");
 if(aCity[parseInt(sId.substr(0,2))]==null) return "你的身份证地区非法";
 sBirthday=sId.substr(6,4)+"-"+Number(sId.substr(10,2))+"-"+Number(sId.substr(12,2));
 var d=new Date(sBirthday.replace(/-/g,"/")) ;
 if(sBirthday!=(d.getFullYear()+"-"+ (d.getMonth()+1) + "-" + d.getDate()))return "身份证上的出生日期非法";
 for(var i = 17;i>=0;i --) iSum += (Math.pow(2,i) % 11) * parseInt(sId.charAt(17 - i),11) ;
 if(iSum%11!=1) return "你输入的身份证号非法";
 return true;//aCity[parseInt(sId.substr(0,2))]+","+sBirthday+","+(sId.substr(16,1)%2?"男":"女")
}

 


//短时间,形如 (13:04:06)
function isTime(str)
{
 var a = str.match(/^(\d{1,2})(:)?(\d{1,2})\2(\d{1,2})$/);
 if (a == null) {return false}
 if (a[1]>24 || a[3]>60 || a[4]>60)
 {
  return false;
 }
 return true;
}

//短日期,形如 (2003-12-05)
function isDate(str)
{
 var r = str.match(/^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2})$/);
 if(r==null)return false;
 var d= new Date(r[1], r[3]-1, r[4]);
 return (d.getFullYear()==r[1]&&(d.getMonth()+1)==r[3]&&d.getDate()==r[4]);
}

//长时间,形如 (2003-12-05 13:04:06)
function isDateTime(str)
{
 var reg = /^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2}) (\d{1,2}):(\d{1,2}):(\d{1,2})$/;
 var r = str.match(reg);
 if(r==null) return false;
 var d= new Date(r[1], r[3]-1,r[4],r[5],r[6],r[7]);
 return (d.getFullYear()==r[1]&&(d.getMonth()+1)==r[3]&&d.getDate()==r[4]&&d.getHours()==r[5]&&d.getMinutes()==r[6]&&d.getSeconds()==r[7]);
}

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