JSFiddle - React, Tailwind, and code Playground

JavaScript

function linkStrings(input) {
  for (var i = 0; i < input.length; i++) {
    var myRegexp = /=([^&]+)/gi;
    var match;
    
    while (match = myRegexp.exec(input[i])) {
    console.log(match[1]);
		}
  }
}

linkStrings(["login=student&password=student"]);
linkStrings(["field=value1&field=value2&field=value3", "http://example.com/over/there?name=ferret"]);
linkStrings(["foo=%20foo&value=+val&foo+=5+%20+203", "foo=poo%20&value=valley&dog=wow+", "url=https://softuni.bg/trainings/coursesinstances/details/1070", "https://softuni.bg/trainings.asp?trainer=nakov&course=oop&course=php"]);