1 files changed, 25 insertions, 7 deletions
diff --git a/ext/json/lib/json/add/regexp.rb b/ext/json/lib/json/add/regexp.rb
index 39d69fede7..b63f49608f 100644
--- a/ext/json/lib/json/add/regexp.rb
+++ b/ext/json/lib/json/add/regexp.rb
@@ -5,15 +5,26 @@ end
 
 class Regexp
 
-  # Deserializes JSON string by constructing new Regexp object with source
-  # <tt>s</tt> (Regexp or String) and options <tt>o</tt> serialized by
-  # <tt>to_json</tt>
+  # See #as_json.
   def self.json_create(object)
     new(object['s'], object['o'])
   end
 
-  # Returns a hash, that will be turned into a JSON object and represent this
-  # object.
+  # Methods <tt>Regexp#as_json</tt> and +Regexp.json_create+ may be used
+  # to serialize and deserialize a \Regexp object;
+  # see Marshal[rdoc-ref:Marshal].
+  #
+  # \Method <tt>Regexp#as_json</tt> serializes +self+,
+  # returning a 2-element hash representing +self+:
+  #
+  #   require 'json/add/regexp'
+  #   x = /foo/.as_json
+  #   # => {"json_class"=>"Regexp", "o"=>0, "s"=>"foo"}
+  #
+  # \Method +JSON.create+ deserializes such a hash, returning a \Regexp object:
+  #
+  #   Regexp.json_create(x) # => /foo/
+  #
   def as_json(*)
     {
       JSON.create_id => self.class.name,
@@ -22,8 +33,15 @@ class Regexp
     }
   end
 
-  # Stores class name (Regexp) with options <tt>o</tt> and source <tt>s</tt>
-  # (Regexp or String) as JSON string
+  # Returns a JSON string representing +self+:
+  #
+  #   require 'json/add/regexp'
+  #   puts /foo/.to_json
+  #
+  # Output:
+  #
+  #    {"json_class":"Regexp","o":0,"s":"foo"}
+  #
   def to_json(*args)
     as_json.to_json(*args)
   end