JSFiddle - React, Tailwind, and code Playground

HTML

<textarea id="code"><h3 class="r"><a class="pstl" data-what="1" href="http://www.google.de/aclk?sa=l&amp;ai=C-9oQygENVpujKqGXzAOfnJHQBreblM8Fl5iq3tUBnt7cxvwBCAk QASDezc8eKANglYKAgLAHoAHn7J7nA8gBB6kCLw8N23Oxsj6qB CZP0HBhjFd11-jaiVqVlBqdodlj5EpVXORHmwBFzZnq4bv0e_a3TMAFBaAGJoAH gZPhGJAHAagHpr4b2AcB4BLUl92Zi4mGy9YB&amp;sig=AOD64 _10CmjoFvPYn3AaCseYeRiqLSZcGw&amp;ctype=5&amp;clui =16&amp;rct=j&amp;q=&amp;ved=0CIEBENgpMABqFQoTCNbi 2sT_oMgCFYXXLAodErMCyg&adurl=http://bueropartner24.de/Ordnen-Registrieren/Schreibtischorganisation/Stehsammler/Stehsammler-Hartpappe-schwarz.html" jsaction="spop.c">10 x Leitz Stehsammler 24230095 DIN A476mm Hartpappe RC schwarz</a></h3></textarea>

JavaScript

var code = document.getElementById('code').value;

var url = /&adurl=(.+?)"/.exec(code).pop();
alert(url);

var product = /jsaction="spop.c">(.+?)<\/a>/.exec(code).pop();
alert(product);