The history of the most complete JS Form validation Encapsulation class

Source: Internet
Author: User

/*****************************************************************
Form validation Tool Class (LINJQ)
*****************************************************************/

/**
* Determine if integer num equals 0
*
* @param num
* @return
* @author Jiqinlin
*/
function Isinteqzero (num) {
return num==0;
}

/**
* Determine if integer num is greater than 0
*
* @param num
* @return
* @author Jiqinlin
*/
function Isintgtzero (num) {
Return num>0;
}

/**
* Determine if integer num is greater than or equal to 0
*
* @param num
* @return
* @author Jiqinlin
*/
function Isintgtezero (num) {
Return num>=0;
}

/**
* Determine if the floating-point number num equals 0
*
* @param num Floating-point number
* @return
* @author Jiqinlin
*/
function Isfloateqzero (num) {
return num==0;
}

/**
* Determine if the floating-point number num is greater than 0
*
* @param num Floating-point number
* @return
* @author Jiqinlin
*/
function Isfloatgtzero (num) {
Return num>0;
}

/**
* Determine if the floating-point number num is greater than or equal to 0
*
* @param num Floating-point number
* @return
* @author Jiqinlin
*/
function Isfloatgtezero (num) {
Return num>=0;
}

/**
* Match Email address
*/
function Isemail (str) {
if (str==null| | str== "") return false;
var result=str.match (/^\w+ ([-+.] \w+) *@\w+ ([-.] \w+) *\.\w+ ([-.] \w+) *$/);
if (result==null) return false;
return true;
}

/**
* Determine numeric types, including integers and floating-point numbers
*/
function Isnumber (str) {
if (isdouble (str) | | isinteger (str)) return true;
return false;
}

/**
* Only numbers can be entered [0-9]
*/
function Isdigits (str) {
if (str==null| | str== "") return false;
var result=str.match (/^\d+$/);
if (result==null) return false;
return true;
}

/**
* Match Money
*/
function Ismoney (str) {
if (str==null| | str== "") return false;
var result=str.match (/^ ([1-9]\d*) | ( ([0-9]{1}| [1-9]+] \. [0-9] {)}) $/);
if (result==null) return false;
return true;
}

/**
* Match Phone
*/
function Isphone (str) {
if (str==null| | str== "") return false;
var result=str.match (/^ (\ (\d{2,3}\)) | ( \d{3}\-))? (\ (0\d{2,3}\) |0\d{2,3}-)? [1-9]\d{6,7} (\-\d{1,4})? $/);
if (result==null) return false;
return true;
}

/**
* Match Mobile
*/
function IsMobile (str) {
if (str==null| | str== "") return false;
var result=str.match (/^ (\ (\d{2,3}\)) | ( \d{3}\-))? ((13\d{9}) | (15\d{9}) | (18\d{9})) $/);
if (result==null) return false;
return true;
}

/**
* Contact Phone (phone/Phone) verification
*/
function Istel (String text) {
if (ismobile (text) | | Isphone (text)) return true;
return false;
}

/**
* Matching QQ
*/
function isqq (str) {
if (str==null| | str== "") return false;
var result=str.match (/^[1-9]\d{4,12}$/);
if (result==null) return false;
return true;
}

/**
* Match 中文版
*/
function Isenglish (str) {
if (str==null| | str== "") return false;
var result=str.match (/^[a-za-z]+$/);
if (result==null) return false;
return true;
}

/**
* Match integer
*/
function Isinteger (str) {
if (str==null| | str== "") return false;
var result=str.match (/^[-\+]?\d+$/);
if (result==null) return false;
return true;
}

/**
* Match Double or float
*/
function Isdouble (str) {
if (str==null| | str== "") return false;
var result=str.match (/^[-\+]?\d+ (\.\d+) $/);
if (result==null) return false;
return true;
}


/**
* Match zip Code
*/
function Iszipcode (str) {
if (str==null| | str== "") return false;
var result=str.match (/^[0-9]{6}$/);
if (result==null) return false;
return true;
}

/**
* Match URL
*/
function Isurl (str) {
if (str==null| | str== "") return false;
var Result=str.match (/^http:\/\/[a-za-z0-9]+\.[ a-za-z0-9]+[\/=\?%\ -&_~ ' @[\]\ ': +!] * ([^<>\]) *$/);
if (result==null) return false;
return true;
}

/**
* Match password, start with a letter, length between 6-12, can only contain characters, numbers and underscores.
*/
function Ispwd (str) {
if (str==null| | str== "") return false;
var result=str.match (/^[a-za-z]\\w{6,12}$/);
if (result==null) return false;
return true;
}

/**
* Determine if it is a valid character (a-za-z0-9-_)
*/
function isrightfulstring (str) {
if (str==null| | str== "") return false;
var result=str.match (/^[a-za-z0-9_-]+$/);
if (result==null) return false;
return true;
}

/**
* Match 中文版
*/
Function isenglish (str) {
if (str==null| | str== "") return false;
var result=str.match (/^[a-za-z]+$/);
if (result==null) return false;
return true;
}

/**
* matches the ID number
*/
Function Isidcardno (num) {
//if (IsNaN (num)) {alert ("input is not a number! "); return false;}
var len = num.length, re;
if (len = =)
Re = new RegExp (/^ (\d{6}) ()? ( \D{2}) (\d{2}) (\d{2}) (\d{2}) (\w) $/);
Else if (len = =)
Re = new RegExp (/^ (\d{6}) ()? ( \D{4}) (\d{2}) (\d{2}) (\d{3}) (\w) $/);
Else {alert ("The number of digits entered is incorrect. "); return false;}
var a = Num.match (re);
if (a! = null)
{
if (len==15)
{
var D = new Date ("+a[3]+"/"+a[4]+"/"+a[5]);
var B = d.getyear () ==a[3]&& (D.getmonth () +1) ==a[4]&&d.getdate () ==a[5];
}
Else
{
var D = new Date (a[3]+ "/" +a[4]+ "/" +a[5]);
var B = d.getfullyear () ==a[3]&& (D.getmonth () +1) ==a[4]&&d.getdate () ==a[5];
}
if (! B) {alert ("entered ID number" + a[0] + "The date of birth is incorrect. "); return false;}
}
if (!re.test (num)) {alert ("The last digit of the ID can only be a number and a letter.") "); return false;}

return true;
}

/**
* Match Chinese characters
*/
function Ischinese (str) {
if (str==null| | str== "") return false;
var result=str.match (/^[\u4e00-\u9fa5]+$/);
if (result==null) return false;
return true;
}

/**
* Match Chinese (including Kanji and characters)
*/
function Ischinesechar (str) {
if (str==null| | str== "") return false;
var result=str.match (/^[\u0391-\uffe5]+$/);
if (result==null) return false;
return true;
}

/**
* Character verification, can only contain Chinese, English, numerals, underscores and other characters.
*/
function Stringcheck (str) {
if (str==null| | str== "") return false;
var result=str.match (/^[a-za-z0-9\u4e00-\u9fa5-_]+$/);
if (result==null) return false;
return true;
}

/**
* Filter Chinese and English special characters, except English "-_" characters
*/
function Stringfilter (str) {
var pattern = new RegExp ("[' [Email protected]#$%^&* () +=|{} ':; ', \\[\\].<>/?~! @#¥%......&* ()--+| {}【】‘;:”“’。 ,、? ]");
var rs = "";
for (var i = 0; i < str.length; i++) {
rs = rs + str.substr (I, 1). replace (pattern, ');
}
Return RS;
}

/**
* To determine whether to include Chinese and English special characters, except English "-_" characters
*/
function Iscontainsspecialchar (str) {
if (str==null| | str== "") return false;
var reg = RegExp (/[(\) (\ ') (\~) (\!) (\@) (\#) (\$) (\%) (\^) (\&) (\*) (\ () (\)) (\+) (\=) (\|) (\{)(\}) (\‘) (\:)(\;)(\‘)(‘,)(\[)(\])(\.) (\<) (\>) (\/) (\?) (\~) (\! ) (\@) (\#) (\¥) (\%) (\ ...) (\&) (\*) (\() (\)) (\—) (\+) (\|) (\{)(\}) (\【) (\】) (\‘) (\;) (\:) (\”) (\“) (\’) (\。 )(\,)(\、)(\? )]+/);
return Reg.test (str);
}

The history of the most complete JS Form validation Encapsulation class

Related Article

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.