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A PublicWWW alternative that searches the code

PublicWWW is known for searching the source code of websites for keywords and code snippets. StackGrep searches the HTML of websites directly, so you can find sites by anything in their code, then turn them into lists and alerts.

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What StackGrep does differently

  • Words or full regex (RE2 syntax), switched with one toggle.
  • Stack filters with nested AND / OR / NOT groups alongside code search.
  • Saved searches with alerts when new sites match.
  • An MCP server so AI agents can search too, on one shared pool of credits.

When PublicWWW may suit you better

If you already rely on its search syntax and exports. We haven't tested everything PublicWWW offers, so check their site for what they do today.

Questions

Is StackGrep a PublicWWW alternative?

Yes, it does the same core job, searching website source code, with stack filters, alerts and agent access on top.

Does StackGrep support regex?

Yes. Plain words are matched literally; flip to regex for patterns like jquery-1\.[0-9]+ or G-[A-Z0-9]{10}.

Want the whole list?

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