JSFiddle - React, Tailwind, and code Playground

JavaScript

var str = "<p model='cat'></p><p model='dog'></p><p model='horse'></p>";
var regex = /(?:model=')([^']*)/g
var matches = [];
var match;
while (match = regex.exec(str)) {
    matches.push(match[1]);
}
alert(matches); // abc