const regex = /<!-- build-remove-start -->([^<]*(?:<(?!!-- build-remove-end -->)[^<]*)*)<!-- build-remove-end -->/g;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('<!-- build-remove-start -->([^<]*(?:<(?!!-- build-remove-end -->)[^<]*)*)<!-- build-remove-end -->', 'g')
const str = `<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Hello</title>
<!-- bower:css -->
<!-- endbower -->
<!-- inject:css -->
<!-- endinject -->
</head>
<body>
<h1>Hello World!</h1>
<!-- build-remove-start -->
<!-- bower:js -->
<script src="../bower_components/jquery/dist/jquery.js"></script>
<!-- endbower -->
<!-- build-remove-end -->
<!-- inject:vendor:js -->
<!-- endinject -->
<!-- inject:js -->
<!-- endinject -->
<!-- inject:app:js -->
<!-- endinject -->
</body>
</html>`;
// 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