const regex = new RegExp('(?<!(?=((http|https|ftp|ftps?)\\:\\/\\/?)(www\\.?)))Nissan(?!(?:([$&+.,/:;\\-_#=@?!a-zA-Z0-9](?!\\s))+))(?=[^<>]*<)(?!(?:(?!</?(?:a|span)[ >/])(?:.|\\n))*</(?:a|span)>)(?! (Micra|is))', 'gi')
const str = `<p>Nissan is car manufacter odoocompany.</p>
<p>Nissan</p>
<p>Nissan. Nissan, Nissan: 'Nissan' "Nissan" Nissan. </p>
<p>niss 'Nissan' niss</p>
<p>[Nissan] (Nissan)</p>
<p>Nissan! www.Nissan.com and www.Nissan.co.in/?nissan=/Nissan.php </p>
<p>Nissan! www.Nissan.com/nissanis/nissan01/nissan_-ABC/nissan.com</p>
<p>nissan.com/nissan.html nissan company Nissan Micra is product</p>
<p><a href="www.Nissan.com">Nissan</a> is company and <span><a href="www.Nissan.com">Nissan</a></span> Micra is product</p>
<p><span>Nissan</span></p>
<p>Nissan product <a href="Nissan.com">Nissan</a> ignore Nissan</p>
<p>nissan <a href="Nissan.com"><span>Nissan</span></a> new nissan</p>
<p>odoo is a name Company and Nissan Micra is a model of best.</p>
<p>This is new <a href='https://www.Nissan.com'><span>Nissan</span></a> micra of micra nissan is company.
nissan is a company.</p>`;
let m;
while ((m = regex.exec(str)) !== null) {
// This is necessary to avoid infinite loops with zero-width matches
if (m.index === regex.lastIndex) {
regex.lastIndex++;
}
// The result can be accessed through the `m`-variable.
m.forEach((match, groupIndex) => {
console.log(`Found match, group ${groupIndex}: ${match}`);
});
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for JavaScript, please visit: https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions