const regex = /(?<=<table>)\s*<tr>\s*<td>([a-z0-9 ]*)<\/td>\s*<\/tr>/gsi;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('(?<=<table>)\\s*<tr>\\s*<td>([a-z0-9 ]*)<\\\/td>\\s*<\\\/tr>', 'gsi')
const str = `<table>
<tr>
<td>Text A</td>
</tr>
<tr>
<td>
<table> <!-- Notice this is an inner scope table -->
<tr>
<td>Text B</td>
</tr>
</table>
</td>
</tr>
</table>
<table>
<tr>
<td>
<table> <!-- Notice this is an inner scope table -->
<tr>
<td>Text C</td>
</tr>
</table>
</td>
</tr>
</table>
<table>
<tr>
<td>Text D</td>
</tr>
</table>`;
// Reset `lastIndex` if this regex is defined globally
// regex.lastIndex = 0;
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