```ruby
module Utilities
	class String
	   def self.is_capitalised_word?(line)
	    /[^[A-Z&&[^\s]]]/.match(line).nil? ? true : false
	  end
	end
end```

Revert "Used a regexp in the is_capitalised method from the Utility module"
user
```ruby
module Utilities
	class String
	   def self.is_capitalised_word?(line)
	    line.split('').each do |elt|
	      return false unless ('A'..'Z').include? elt
	    end
	    true
	  end
	end
end```
assistant