url的正则验证

  results.validator = function(value, param) {
                results.message = param[0] || '';
                var strRegex = ''
                        + '^((https|http)://)?'
                        + '('
                        + '([0-9]{1,3}[.]{1}){3}[0-9]{1,3}' // IP形式的URL- 199.194.52.184 
                        + '|' // 允许IP和DOMAIN（域名） 
                        + '([0-9a-z_!~*\'()-]+[.]{1})*' // 域名- www. 
                        + '([0-9a-z]([0-9a-z-]{0,61}[0-9a-z])?)' // 二级域名 
                        + '([.]{1}[a-z]{2,6}){1,2}' // first level domain- .com or .museum 
                        + ')' // first level domain- .com or .museum 
                        + '(:[0-9]{1,4})?' // 端口- :80 
                        + '('
                        + '(/?)|' // a slash isn't required if there is no file name 
                        + '((/[0-9a-z_!~*\'\(\).;\?:@&=+$,%#-]+)+/?)'
                        + ')$';
                var regex = new RegExp(strRegex);
                return regex.test(value);
            };

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