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Pulling every email address or link out of a wall of pasted text - an exported email thread, a scraped page, a support ticket - by hand means reading the whole thing carefully and still missing one. This extracts every match automatically, deduplicated, listed one per line or comma-separated.
When you'd use this
Collecting every contact email out of a pasted document, or gathering every link mentioned in a long block of text into a clean list you can actually work with.
Common errors
A URL immediately followed by punctuation (a period ending a sentence, a comma) is matched up to but not including that trailing character where possible - but URLs embedded in unusual surrounding punctuation can occasionally pick up or lose a trailing character, since there's no universal rule for where a URL ends in free-form prose. Spot-check extracted URLs before using them somewhere that matters.
Frequently asked questions
Does this find URLs without "http://" in front of them?
It catches "www."-prefixed addresses without a scheme, but a bare domain with no "www." or "http" (like just "example.com" in running text) isn't reliably distinguishable from an ordinary word with a period in it, so those aren't matched - that's a deliberate precision-over-recall choice rather than an oversight.
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