JS minification removes valid code when specific regex pattern encountered

[EvanMulawski]

Minimum repro:

var str = @"""
<script>
    /^\//
</script>
""";

var minifier = new HtmlMinifier(new HtmlMinificationSettings
{
	MinifyEmbeddedJsCode = true,
});

var result = minifier.Minify(str, false);

Result:

<script>/^\</script>

LINQPad result:

Expected result:

<script>/^\//</script>

This is a valid regular expression literal and should be left as-written.

[Taritsyn]

Hello, Evan!

Thanks for the information! This error also occurs in the original JSMin:

Try to create a corresponding issue in the repository of original project, and then I would port these fixes to C#.

[Taritsyn]

Hello, Evan!

In version 2.20.2, the Douglas Crockford's JSMin was updated to version of February 25, 2026.