const regex = /@if(?:\s+|)\(([\s\S]*?)\)([\s\S]*?)+@endif/i;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('@if(?:\\s+|)\\(([\\s\\S]*?)\\)([\\s\\S]*?)+@endif', 'i')
const str = `<div class="wrapper">
<p>Parágrafo fora dos ifs.</p>
@if (true)
<div>Oi?</div>
@if (false)
<span>Não devo ser renderizado</span>
@endif
@endif
<p>Estou entre os if's</p>
@if (true)
<div>estou em outro if</div>
@endif
</div>`;
// Reset `lastIndex` if this regex is defined globally
// regex.lastIndex = 0;
let m;
if ((m = regex.exec(str)) !== null) {
// 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