What to do with the parsed object in Ruby?
Just to extend the answers a bit with what to do with the parsed object: As of Ruby v1.9.3 you don’t need to install any Gems in order to parse JSON, simply use require ‘json’: See JSON at Ruby-Doc. It looks like a JSON string. You can use one of many JSON libraries and it’s as simple as doing:
How to parse a JSON document in Ruby?
Parse the JSON document source into a Ruby data structure and return it. The bang version of the parse method defaults to the more dangerous values for the opts hash, so be sure only to parse trusted source documents. max_nesting: The maximum depth of nesting allowed in the parsed data structures.
Which is the JSON generator class in Ruby?
Returns the JSON generator state class that is used by JSON. This is either JSON::Ext::Generator::State or JSON::Pure::Generator::State. If object is string-like, parse the string and return the parsed result as a Ruby data structure. Otherwise generate a JSON text from the Ruby data structure object and return it.
Can a JSON string be converted to a hash in Ruby?
Ruby expects the argument to be a string and can’t convert objects like a hash or array. Creating a JSON string for communication or serialization is just as simple.
How to parse a JSON string in Ruby?
This looks like JavaScript Object Notation (JSON). You can parse JSON that resides in some variable, e.g. json_string, like so: If you’re using an older Ruby, you may need to install the json gem. There are also other implementations of JSON for Ruby that may fit some use-cases better:
How to use a regular expression in Ruby?
One way to use a regular expression to get the string you want is to replace the stuff you don’t want with an empty string. However, that’s just string replacement/substitution. The regex is not capturing anyting. To capture a string using a regular expression, you can use the Ruby match method: That should work with all of your cases.
How to return a copy of a string in Ruby?
Returns a new String that is a copy of string. With no arguments, returns the empty string with the Encoding ASCII-8BIT: With the single String argument string, returns a copy of string with the same encoding as string: s = String. new ( “Que veut dire \ {e7}a?” ) s # => “Que veut dire \ {e7}a?” s. encoding # => #