javascript - jQuery 检测并验证 URL

Question

假设我有这段文字:

Hi, my name is Pablo and my home page is <a href="http://zad0xsis.net" rel="noreferrer noopener nofollow">http://zad0xsis.net</a>

如何检测和验证 URL，以便它自动将其包装到 <a href="the detected url">the detected url</a> 中？谢谢!

Answer 1

你可以使用正则表达式:

var s = 'Hi, my name is Pablo and my home page is http://zad0xsis.net';
var exp = /(\b(https?|ftp|file):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/ig;
s = s.replace(exp,"<a href=\"$1\">$1</a>"); 
alert(s);

Live demo .