Snippet from https://play.nim-lang.org

playground.nim

import std/[uri, strformat, strutils]

proc printUri(url: string) =
  echo url
  let res = parseUri(url)
  if res.scheme != "":
    echo &"\t  Scheme: {res.scheme}"
  if res.hostname != "":
    echo &"\tHostname: {res.hostname}"
  if res.username != "":
    echo &"\tUsername: {res.username}"
  if res.password != "":
    echo &"\tPassword: {res.password}"
  if res.path != "":
    echo &"\t    Path: {res.path}"
  if res.query != "":
    echo &"\t   Query: {res.query}"
  if res.port != "":
    echo &"\t    Port: {res.port}"
  if res.anchor != "":
    echo &"\t  Anchor: {res.anchor}"
  if res.opaque:
    echo &"\t  Opaque: {res.opaque}"

let urls = @["foo://example.com:8042/over/there?name=ferret#nose",
            "urn:example:animal:ferret:nose",
            "jdbc:mysql://test_user:ouupppssss@localhost:3306/sakila?profileSQL=true",
            "ftp://ftp.is.co.za/rfc/rfc1808.txt",
            "http://www.ietf.org/rfc/rfc2396.txt#header1",
            "ldap://[2001:db8::7]/c=GB?objectClass=one&objectClass=two",
            "mailto:John.Doe@example.com",
            "news:comp.infosystems.www.servers.unix",
            "tel:+1-816-555-1212",
            "telnet://192.0.2.16:80/",
            "urn:oasis:names:specification:docbook:dtd:xml:4.1.2",
            "ssh://alice@example.com",
            "https://bob:pass@example.com/place",
            "http://example.com/?a=1&b=2+2&c=3&c=4&d=%65%6e%63%6F%64%65%64"]

for url in urls:
  printUri(url)