在PHP和JQuery中验证url？

Question

我想在客户端和服务器端进行验证，以验证以下类型的jquery和PHP中的url。

• http://en.wikipedia.org/wiki/Great_Wall_of_China（加www）
• www.wikipedia.org/（不含http，后来当我们验证这一点在PHP然后我们会确认http：//是不是有那么我们会添加它）

我创建的正则表达式中的jQuery

^(http:\/\/www.|https:\/\/www.|ftp:\/\/www.|www.){1}([0-9A-Za-z]+\.) 

但它不是验证URL http://en.wikipedia.org/wiki/Great_Wall_of_China并给错误来验证URL。

请帮忙

谢谢！

Answer 1

尝试一下本作的PHP

preg_match('|^http(s)?://[a-z0-9-]+(.[a-z0-9-]+)*(:[0-9]+)?(/.*)?$|i', $_POST['link']) 

jQuery的

jQuery.validator.addMethod("complete_url", function(val, elem) { 
    // if no url, don't do anything 
    if (val.length == 0) { return true; } 

    // if user has not entered http:// https:// or ftp:// assume they mean http:// 
    if(!/^(https?|ftp):\/\//i.test(val)) { 
     val = 'http://'+val; // set both the value 
     $(elem).val(val); // also update the form element 
    } 

    return /^(https?|ftp):\/\/(((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:)*@)?(((\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5]))|((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?)(:\d*)?)(\/((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*)?)?(\?((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|[\uE000-\uF8FF]|\/|\?)*)?(\#((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|\/|\?)*)?$/i.test(val); 
}); 

ADDD此形成

$("#form1").validate({ 
    rules: { 
     url: "complete_url" 
    } 
}); 

Answer 2

尝试this解决方案。

下面是代码从网页的摘要：

function isUrl(s) { 
    var regexp = /(ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/ 
    return regexp.test(s); 
} 

您可以使用相同的正则表达式在PHP服务器端验证。

Answer 3

如果您希望允许不包含的网址，请删除主机名以www.开头的要求。

Answer 4

This JQUery Plugin将帮助您进行验证，并且其真正简单易用Plus您将拥有实时服务器端验证。

Answer 5

PHP代码为：

if(preg_match('/((((?:http|https|ftp):\/\/)|(www\.))(?:[A-Z0-9][A-Z0-9_-]*(?:\.[A-Z0-9][A-Z0-9_-]*)+):?(\d+)?\/?[^\s\"\']+)/i',$str)) 
{ 
    echo "This is valid url."; 
}