const regex = new RegExp('(?P<schema>.*://)?(?P<cedentials>.*@)?(?P<www>www\\.)?(?P<domain>[\\w\\.]+)(?P<path_query>/?.*)?', 'g')
const str = `http://user:password@www.example.com
https://www.example.com/some/path?query=foo
https://www.example.com/some/path
http://www.example.com/some/path
https://example.com/some/path
http://example.com/some/path
https://example.com/
http://example.com/
www.example.com/some/path
www.example.com
www.example.com/
example.com/some/path
example.com
subdomain.example.com
example.co.uk
`;
// Reset `lastIndex` if this regex is defined globally
// regex.lastIndex = 0;
let m;
while ((m = regex.exec(str)) !== null) {
// This is necessary to avoid infinite loops with zero-width matches
if (m.index === regex.lastIndex) {
regex.lastIndex++;
}
// The result can be accessed through the `m`-variable.
m.forEach((match, groupIndex) => {
console.log(`Found match, group ${groupIndex}: ${match}`);
});
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for JavaScript, please visit: https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions