JQuery extension plug-in Validate 5 adds custom validation method_jquery

An example is as follows:

Copy code The code is as follows:

Run result:

Note that if there are multiple parameters, you can use an array, such as regex:[1,3,5 ], the method can be accessed using subscripts: params[0]
Some extended verification methods provided by netizens:

Copy code The code is as follows:

//Mobile phone number verification
jQuery.validator.addMethod("mobile", function(value, element) {
var length = value.length;
var mobile = /^(((13[0-9]{1})|(15[0-9]{1})) d{8})$/
return this.optional(element) | | (length == 11 && mobile.test(value));
}, "Mobile phone number format is wrong");
// Phone number verification
jQuery.validator.addMethod("phone", function (value, element) {
var tel = /^(0[0-9]{2,3}-)?([2-9][0-9]{6,7}) (-[0 -9]{1,4})?$/;
return this.optional(element) || (tel.test(value));
}, "Telephone number format error");
// Zip code validation
jQuery.validator.addMethod("zipCode", function(value, element) {
var tel = /^[0-9]{6}$/;
return this. optional(element) || (tel.test(value));
}, "Postal code format error");
// QQ number verification
jQuery.validator.addMethod("qq", function (value, element) {
var tel = /^[1-9]d{4,9}$/;
return this.optional(element) || (tel.test(value));
}, "QQ number format error");
//IP address verification
jQuery.validator.addMethod("ip", function(value, element) {
var ip = /^(? :(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?).){3}(?:25[0 -5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/;
return this.optional(element) || (ip. test(value) && (RegExp.$1 < 256 && RegExp.$2 < 256 && RegExp.$3 < 256 && RegExp.$4 < 256));
}, "Ip address format is wrong");
// Validation of letters and numbers
jQuery.validator.addMethod("chrnum", function(value, element) {
var chrnum = /^([a-zA-Z0-9] )$/ ;
return this.optional(element) || (chrnum.test(value));
}, "Only numbers and letters (characters A-Z, a-z, 0-9) can be entered");
// Chinese validation
jQuery.validator.addMethod("chinese", function(value, element) {
var chinese = /^[u4e00-u9fa5] $/;
return this.optional(element) ) || (chinese.test(value));
}, "Only Chinese can be entered");
// Drop-down box verification
$.validator.addMethod("selectNone", function(value, element) {
return value == "Please select";
}, "One must be selected");
// Byte length verification
jQuery.validator.addMethod("byteRangeLength", function(value, element, param) {
var length = value.length;
for (var i = 0; i < value.length; i ) {
if (value.charCodeAt(i) > 127) {
length ;
}
}
return this.optional(element) || (length >= param[0] && length <= param[1]);
}, $.validator.format("Please ensure that the entered value is between {0}-{1} bytes (one Chinese character counts as 2 bytes)"));

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