【实用】常用JS验证函数大全(4)

//验证图片地址(不支持由CGI动态生成的图片)
String.prototype.IsImgURL = function()
{
var myReg =/^\.(jpeg|jpg|gif|bmp|png|pcx|tiff|tga|lwf)$/;
if(myReg.test(this)) return true;
return false;
}

//验证手机号码
String.prototype.IsCellPhone = function()
{
var myReg =/^((\(\d{3}\))|(\d{3}\-))?1[3,5]\d{9}$/;
if(myReg.test(this)) return true;
return false;
}

//验证固定电话
String.prototype.IsPhone = function()
{
var myReg =/^[+]{0,1}(\d){1,3}[ ]?([-]?((\d)|[ ]){1,12})+$/;
if(myReg.test(this)) return true;
return false;
}

//验证邮编
String.prototype.IsZipCode = function()
{
var myReg =/[0-9]{6}/;
if(myReg.test(this)) return true;
return false;
}

//验证身份证号码
String.prototype.IsIdCard = function()
{
var myReg =/(^([\d]{15}|[\d]{18}|[\d]{17}[xX]{1})$)/;
if(myReg.test(this)) return true;
return false;
}

//验证日期格式YY-MM-DD
String.prototype.IsDateFormat = function()
{
var myReg =/^[0-9]{4}-[0-9]{1,2}-[0-9]{1,2}$/;
if(myReg.test(this)) return true;
return false;
}

//验证时间格式HH:MM:SS
String.prototype.IsRangeTime = function()
{
var myReg =/^(\d{2}):(\d{2}):(\d{2})$/;
if(myReg.test(this)) return true;
return false;
}

//验证金额格式
String.prototype.IsMoney = function()
{
var myReg =/^[0-9]{1,8}[.]{0,1}[0-9]{0,2}$/;
if(myReg.test(this)) return true;
return false;
}

//字验证数字格式并判断数字的围(min:最小值;max:最大值.)
String.prototype.IsInt = function()
{
var isRightFormat=false;
var minnum=arguments[0]?arguments[0]:0;
var maxnum=arguments[1]?arguments[1]:0;
var myReg =/^[-\+]?\d+$/;
if(myReg.test(this))
{
isRightFormat = (minnum == 0 && maxnum ==0 ? true : (this > minnum && this < maxnum ? true : false));
}
return isRightFormat;
}

//验证搜索关键字
String.prototype.IsSearch = function()
{
var myReg=/^[\|\"\'<>,.*&@#$;:!^()]/;
if(myReg.test(this)) return false;
return true;
}

//js准确计算字符串长度
function calculate_byte( sTargetStr ) {
var sTmpStr, sTmpChar;
var nOriginLen = 0;
var nStrLength = 0;

sTmpStr = new String(sTargetStr);
nOriginLen = sTmpStr.length;

for ( var i=0 ; i < nOriginLen ; i++ ) {
sTmpChar = sTmpStr.charAt(i);

if (escape(sTmpChar).length > 4) {
nStrLength += 2;
} else if (sTmpChar!='\r') {
nStrLength ++;
}
}

return nStrLength;
}