Extracting for URL from string using regex

Question

I want to extract the first valid URL in a string, which can be anywhere between characters and whitespace

I have tried with the following

...
urlReg         


        

Answer 1

• You haven't included digits in your regex as part of URL.
• Assuming URL starts from the beginning of the string

Live Demo with regex explanation on left side.

Regex explanation

var regex = /^(https?:\/\/[^/]+(\/[\w-]+)+)/;
var str = 'https://medium.com/aspen-ideas/there-s-no-blueprint-26f6a2fbb99c random stuff sd';

var url = str.match(regex)[0];
document.write(url);