Radare2 seems to have thousands of commands. Is there a way to search all of those commands?

Like let's say I want to find all commands that had rot (for rot13), is there a method to do this?

2 Answers 2


You can try to find a command with searching over all help texts like this:


And to filter the result simply add this:


You can use ?*~... to do interactive search in all help commands:

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  • Can you validate the answer then?
    – Maijin
    Commented Nov 3, 2018 at 13:10
  • @EvanCarroll this is not exactly what defragger wrote as the 3 dots are not a placeholder for a keyword, if you enter this command as is, you can do interactive search in all help commands Commented Nov 6, 2018 at 16:50
  • Wow that is really cool. Thanks for the clarification I change my downvote to an upvote. Commented Nov 6, 2018 at 17:07
  • I wonder, is it possible to put it there by default? I mean, anytime i type any single command, I'd like these suggestions to pop up and start scrolling.
    – ratijas
    Commented Dec 15, 2020 at 7:10

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