RegExp and utilities for grabbing parts of a path or url.

url-matchers.js

function getPathParts(path,i) {
    return path.match(/^((http[s]?|ftp):\/)?\/?([^:\/\s]+)(:([^\/]*))?((\/[\w\/-]+)*\/)([\w\-\.]+[^#?\s]+)(\?([^#]*))?(#(.*))?$/i)[i];
}

// https://gist.github.com/url-matchers.js -> url-matchers.js
function getFileName(url){
  return getPathParts(url, 8);
}

// https://gist.github.com/url-matchers.js -> gist.github.com
function getHost(url){
  return getPathParts(url, 3);
}

// https://gist.github.com/url-matchers.js -> https
// http, https, ftp, etc...
function getScheme(url){
  return getPathParts(url, 2);
}