常用正则表达式整理

来源：互联网发布：mac 显示器校准编辑：程序博客网时间：2024/04/30 17:17
整理了下几个常用的正则表达式，和大家一起分享。
/*添加自定义校验date: 2016-08-31author: craneW*/// 中文字两个字节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] );}, $.validator.format("请确保输入的值在{0}-{1}个字节之间(一个中文字算2个字节)"));// 邮政编码验证jQuery.validator.addMethod("isZipCode", function(value, element) {var tel = /^[0-9]{6}$/;return this.optional(element) || (tel.test(value));}, "请正确填写您的邮政编码");//手机号码jQuery.validator.addMethod("mobile", function(value, element) {var length = value.length;var mobile = /(^0?[1][358][0-9]{9}$)/ ;return this.optional(element) || (length == 11 && mobile.test(value));}, "手机号码格式错误");//电话号码jQuery.validator.addMethod("phone", function(value, element) {var tel = /^(0[0-9]{2,3}\-)?([2-9][0-9]{6,7})+(\-[0-9]{1,4})?$/;return this.optional(element) || (tel.test(value));}, "电话号码格式错误");//QQ号码jQuery.validator.addMethod("qq", function(value, element) {var tel = /^[1-9]\d{4,9}$/;return this.optional(element) || (tel.test(value));}, "qq号码格式错误");//IP地址jQuery.validator.addMethod("ip", function(value, element) {var ip = /^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/;return this.optional(element) || (ip.test(value) && (RegExp.$1 < 256 && RegExp.$2 < 256 && RegExp.$3 < 256 && RegExp.$4 < 256));}, "Ip地址格式错误");//字母、数字、下划线jQuery.validator.addMethod("chrnum", function(value, element) {var chrnum = /^([a-zA-Z0-9_]+)$/;return this.optional(element) || (chrnum.test(value));}, "只能输入数字、字母、下划线(字符A-Z, a-z, 0-9，_)");//中文验证jQuery.validator.addMethod("chinese", function(value, element) {var chinese = /^[\u4e00-\u9fa5]+$/;return this.optional(element) || (chinese.test(value));}, "只能输入中文");//整数jQuery.validator.addMethod("integer", function(value, element) {var integer = /^-?[0-9]\d*$/;return this.optional(element) || (integer.test(value));}, "只能输入整数");//非负数保留两位小数jQuery.validator.addMethod("decimal", function(value, element) {var decimal = /^\d+(\.\d{2})?$/;return this.optional(element) || (decimal.test(value));}, "只能输入非负数保留两位小数");
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