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