This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.

match? 

        # Regexp.match?

(from ruby core)
---
    rxp.match?(str)          -> true or false
    rxp.match?(str, pos=0)   -> true or false

---

Returns `true` or `false` to indicate whether the regexp is matched or
not without updating $~ and other related variables. If the second
parameter is present, it specifies the position in the string to begin
the search.

    /R.../.match?("Ruby")    #=> true
    /R.../.match?("Ruby", 1) #=> false
    /P.../.match?("Ruby")    #=> false
    $&                       #=> nil

This is MURDOC! A Ruby documentation browser inspired by Smalltalk-80. It allows you to learn about Ruby by browsing through its class hierarchies, and see any of its methods.