/ Ruby on Rails
/
method

extract_subdomains_from

extract_subdomains_from(host, tld_length)
private

No documentation available.

# File actionpack/lib/action_dispatch/http/url.rb, line 80
        def extract_subdomains_from(host, tld_length)
          parts = host.split('.')
          parts[0..-(tld_length + 2)]
        end