<story><title>DuckDuckGo Regex Search</title><url>https://duckduckgo.com/?q=regex+%2F%28%3Fx%3A+%28%5Cw%2B%29+%5Cs+%28%5Cw%2B%29+%29%2F+hacker+news</url></story><parent_chain><item><author>dedosk</author><text>Google does not implement regex search support because they said somewhere that the data storage needed for the index would be huge. And since regex search is used only by a small subset of users, it is not worth the effort.</text></item></parent_chain><comment><author>mike-cardwell</author><text>This does not do what you think it does. It takes a regular expression and an input and applies that regular expression to that input. It doesn&amp;#x27;t search the web using the regex.</text></comment>
<story><title>DuckDuckGo Regex Search</title><url>https://duckduckgo.com/?q=regex+%2F%28%3Fx%3A+%28%5Cw%2B%29+%5Cs+%28%5Cw%2B%29+%29%2F+hacker+news</url></story><parent_chain><item><author>dedosk</author><text>Google does not implement regex search support because they said somewhere that the data storage needed for the index would be huge. And since regex search is used only by a small subset of users, it is not worth the effort.</text></item></parent_chain><comment><author>przemoc</author><text>IIRC &amp;quot;security&amp;quot; plays important role here too, because using regexps you can much easier find sensitive data, or to be precise: context (neighborhood) of sensitive data.</text></comment>