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1.常用驗(yàn)證方法
//校驗(yàn)是否全由數(shù)字組成
代碼
function isDigit(s)
{
var patrn=/^[0-9]{1,20}$/;
if (!patrn.exec(s)) return false
return true
}
//校驗(yàn)登錄名:只能輸入5-20個(gè)以字母開頭、可帶數(shù)字、“_”、“.”的字串
代碼
function isRegisterUserName(s)
{
var patrn=/^[a-zA-Z]{1}([a-zA-Z0-9]|[._]){4,19}$/;
if (!patrn.exec(s)) return false
return true
}
//校驗(yàn)用戶姓名:只能輸入1-30個(gè)以字母開頭的字串
代碼
function isTrueName(s)
{
var patrn=/^[a-zA-Z]{1,30}$/;
if (!patrn.exec(s)) return false
return true
}
}}
//校驗(yàn)密碼:只能輸入6-20個(gè)字母、數(shù)字、下劃線
[code]
function isPasswd(s)
{
var patrn=/^(/w){6,20}$/;
if (!patrn.exec(s)) return false
return true
}
//校驗(yàn)普通電話、傳真號(hào)碼:可以“+”開頭,除數(shù)字外,可含有“-”
代碼
function isTel(s)
{
//var patrn=/^[+]{0,1}(/d){1,3}[ ]?([-]?(/d){1,12})+$/;
var patrn=/^[+]{0,1}(/d){1,3}[ ]?([-]?((/d)|[ ]){1,12})+$/;
if (!patrn.exec(s)) return false
return true
}
//校驗(yàn)手機(jī)號(hào)碼:必須以數(shù)字開頭,除數(shù)字外,可含有“-”
代碼
function isMobil(s)
{
var patrn=/^[+]{0,1}(/d){1,3}[ ]?([-]?((/d)|[ ]){1,12})+$/;
if (!patrn.exec(s)) return false
return true
}
//校驗(yàn)郵政編碼
代碼
function isPostalCode(s)
{
//var patrn=/^[a-zA-Z0-9]{3,12}$/;
var patrn=/^[a-zA-Z0-9 ]{3,12}$/;
if (!patrn.exec(s)) return false
return true
}
//校驗(yàn)搜索關(guān)鍵字
代碼
function isSearch(s)
{
var patrn=/^[^`~!@#$%^&*()+=|///][/]/{/}:;'/,.<>/?]{1}[^`~!@$%^&()+=|///]
[/]/{/}:;'/,.<>?]{0,19}$/;
if (!patrn.exec(s)) return false
return true
}
function isIP(s) //by zergling
{
var patrn=/^[0-9.]{1,20}$/;
if (!patrn.exec(s)) return false
return true
}
function validateTel(telStr){
var re1=/^(/d{3}-|/d{4}-)(/d{8}|/d{7})$/;
if(re1.test(telStr)){return true;}
return false;
}
function validateMobile(mobileStr){
var re2=/^1/d{10}$/;
if(re2.test(mobileStr)){return true;}
return false;
}
//驗(yàn)證電話或手機(jī)號(hào)
function phoneRegcheck(){
var mobile=document.getElementById("telephone").value;
var str=mobile;
var reg=/^(([0/+]/d{2,3}-)?(0/d{2,3})-)(/d{7,8})(-(/d{3,}))?$/;
var myreg = /^(((13[0-9]{1})|159|158|150|156|155)+/d{8})$/;
//alert(reg.test(str)) ;
if (reg.test(str)==true||myreg.test(str))
{
document.getElementById("phone").innerHTML="<img src='Spreader/images/zhengque.gif' width=16 height=16><font color=#cd0072>手機(jī)號(hào)或電話號(hào)正確!</font>";
}
else
{
document.getElementById("phone").innerHTML="<img src='Spreader/images/cuowu.gif' width=16 height=16><font color=#cd0072>手機(jī)號(hào)或電話號(hào)不正確!</font>";
return false;
}
}
2.正則表達(dá)式
代碼
"^//d+$" //非負(fù)整數(shù)(正整數(shù) + 0)
"^[0-9]*[1-9][0-9]*$" //正整數(shù)
"^((-//d+)|(0+))$" //非正整數(shù)(負(fù)整數(shù) + 0)
"^-[0-9]*[1-9][0-9]*$" //負(fù)整數(shù)
"^-?//d+$" //整數(shù)
"^//d+(//.//d+)?$" //非負(fù)浮點(diǎn)數(shù)(正浮點(diǎn)數(shù) + 0)
"^(([0-9]+//.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*//.[0-9]+)|([0-9]*[1-9][0-9]*))$"
//正浮點(diǎn)數(shù)
"^((-//d+(//.//d+)?)|(0+(//.0+)?))$" //非正浮點(diǎn)數(shù)(負(fù)浮點(diǎn)數(shù) + 0)
"^(-(([0-9]+//.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*//.[0-9]+)|([0-9]*[1-9][0-9]*)))$"
//負(fù)浮點(diǎn)數(shù)
"^(-?//d+)(//.//d+)?$" //浮點(diǎn)數(shù)
"^[A-Za-z]+$" //由26個(gè)英文字母組成的字符串
"^[A-Z]+$" //由26個(gè)英文字母的大寫組成的字符串
"^[a-z]+$" //由26個(gè)英文字母的小寫組成的字符串
"^[A-Za-z0-9]+$" //由數(shù)字和26個(gè)英文字母組成的字符串
"^//w+$" //由數(shù)字、26個(gè)英文字母或者下劃線組成的字符串
"^[//w-]+(//.[//w-]+)*@[//w-]+(//.[//w-]+)+$" //email地址
"^[a-zA-z]+://(//w+(-//w+)*)(//.(//w+(-//w+)*))*(//?//S*)?$" //url
"^[A-Za-z0-9_]*$"
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