JS验证

1. URL验证
function testUrl(url) {  
    var strRegex = "^((https|http|ftp|rtsp|mms)?://)"    
            + "?(([0-9a-z_!~*'().&=+$%-]+: )?[0-9a-z_!~*'().&=+$%-]+@)?" // ftp的user@    
            + "(([0-9]{1,3}\.){3}[0-9]{1,3}" // IP形式的URL- 199.194.52.184    
            + "|" // 允许IP和DOMAIN(域名)    
            + "([0-9a-z_!~*'()-]+\.)*" // 域名- www.    
            + "([0-9a-z][0-9a-z-]{0,61})?[0-9a-z]\." // 二级域名    
            + "[a-z]{2,6})" // 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 re = new RegExp(strRegex);  
    return re.test(url);    
}

2. URL验证2 必须以https|http|ftp|rtsp|mms://开头的
function doTestUrl(url) {  
    var strRegex = "^(https|http|ftp|rtsp|mms){1}://"    
            + "(([0-9a-z_!~*'().&=+$%-]+: )?[0-9a-z_!~*'().&=+$%-]+@)?" // ftp的user@    
            + "(([0-9]{1,3}\.){3}[0-9]{1,3}" // IP形式的URL- 199.194.52.184    
            + "|" // 允许IP和DOMAIN(域名)    
            + "([0-9a-z_!~*'()-]+\.)*" // 域名- www.    
            + "([0-9a-z][0-9a-z-]{0,61})?[0-9a-z]\." // 二级域名    
            + "[a-z]{2,6})" // 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 re = new RegExp(strRegex);  
    return re.test(url);    
}  

3. 验证正整数
var r = /^[0-9]*[1-9][0-9]*$/;
if (!r.test(presentedNumber)) {
    $("#presentedNumberLabel").html("请输入正整数"); 
}

你可能感兴趣的:(js)