module ActionDispatch::Http::URL
def extract_subdomains_from(host, tld_length)
def extract_subdomains_from(host, tld_length) parts = host.split(".") parts[0..-(tld_length + 2)] end
def extract_subdomains_from(host, tld_length) parts = host.split(".") parts[0..-(tld_length + 2)] end