const regex = /(https?:\/\/(?:w{1,3}.)?[^\s]*?(?:\.[a-z]+)+)(?![^<]*?(?:<\/\w+>|\/?>))/g;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('(https?:\\\/\\\/(?:w{1,3}.)?[^\\s]*?(?:\\.[a-z]+)+)(?![^<]*?(?:<\\\/\\w+>|\\\/?>))', 'g')
const str = `This is my text to be parsed which contains url
http://someurl.com <a href="http://thisshouldnotbetampered.com">
some text and a url http://someotherurl.com test 1q2w </a> <img src="http://someasseturl.com/abc.jpeg"/>
Hello http://someurl.com</a> <!-- fail -->
<img src="http://someurl.com/image.jpg>
http://someurl.localhost.com
<div>Regex is awesome</div>`;
// Reset `lastIndex` if this regex is defined globally
// regex.lastIndex = 0;
let m;
while ((m = regex.exec(str)) !== null) {
// This is necessary to avoid infinite loops with zero-width matches
if (m.index === regex.lastIndex) {
regex.lastIndex++;
}
// The result can be accessed through the `m`-variable.
m.forEach((match, groupIndex) => {
console.log(`Found match, group ${groupIndex}: ${match}`);
});
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for JavaScript, please visit: https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions