how to find a url from html text javascript code example

Example 1: javascript link detector

function URLReplacer(str){
        let match = str.match(/(\b(https?|ftp|file):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/ig);
        let final=str;
        match.map(url=>{
            final=final.replace(url,"<a href=\""+url+"\" target=\"_BLANK\">"+url+"</a>")
        })
        return final;
      }

Example 2: how to regex a link javascript

var urlRegex =/(\b(https?|ftp|file):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/ig;