包含和不包含确切单词的URL正则表达式

^(https?|ftp)://[^\s/$.?#].[^\s]*$

const urlRegex = /^(https?|ftp):\/\/[^\s/$.?#].[^\s]*$/;
const url = "https://www.example.com";
const isValid = urlRegex.test(url);
console.log(isValid); // true

const urlRegex = /^(https?|ftp):\/\/([^\s/$.?#].[^\s]*)$/;
const url = "https://www.example.com/path/to/resource";
const matches = url.match(urlRegex);
const protocol = matches[1];
const hostname = matches[2];
const path = url.substring(protocol.length + hostname.length + 3);
console.log(protocol); // "https"
console.log(hostname); // "www.example.com"
console.log(path); // "/path/to/resource"