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xurls
Extract urls from text using regular expressions.
go get -u github.com/mvdan/xurls
import "github.com/mvdan/xurls"
func main() {
xurls.Relaxed.FindString("Do gophers live in golang.org?")
// "golang.org"
xurls.Strict.FindAllString("foo.com is http://foo.com/.", -1)
// []string{"http://foo.com/"}
}
Relaxed is around five times slower than Strict since it does more
work to find the URLs without relying on the scheme:
BenchmarkStrictEmpty-4 1000000 1885 ns/op
BenchmarkStrictSingle-4 200000 8356 ns/op
BenchmarkStrictMany-4 100000 22547 ns/op
BenchmarkRelaxedEmpty-4 200000 7284 ns/op
BenchmarkRelaxedSingle-4 30000 58557 ns/op
BenchmarkRelaxedMany-4 10000 130251 ns/op
cmd/xurls
go get -u github.com/mvdan/xurls/cmd/xurls
$ echo "Do gophers live in http://golang.org?" | xurls
http://golang.org