RegexdrillHost names from URLs
A regex exercise from Regexdrill. Solve it with a pattern box with live highlighting in your browser, checked against hidden test strings, and it is checked the moment you submit.
The task
Find the first http or https URL on the line and capture its host name in group 1: everything after :// up to a slash, colon, question mark, hash or whitespace.
What this exercise teaches
https?://([^/:?#\s]+) stops the host at the first character that starts a port, path, query or fragment.
A hint if you get stuck
Use a negated class listing every character that ends the host.
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