[JS] to replace a markdown for link with actual HTML link element

markdown-link.js

var derText = "This is some text with [a link](https://duckduckgo.com) \n\ and break line";
//replace the linebreaks with <br>
derText = derText.replace(/(?:\r\n|\r|\n)/g, '<br>');
//check for links [text](url)
let elements = derText.match(/\[.*?\)/g);
if( elements != null && elements.length > 0){
  for(el of elements){
    let txt = el.match(/\[(.*?)\]/)[1];//get only the txt
    let url = el.match(/\((.*?)\)/)[1];//get only the link
    derText = derText.replace(el,'<a href="'+url+'" target="_blank">'+txt+'</a>')
  }
}