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1.1 KiB
1.1 KiB
xurls
Extract urls from text using regular expressions. Requires Go 1.13 or later.
import "mvdan.cc/xurls/v2"
func main() {
rxRelaxed := xurls.Relaxed()
rxRelaxed.FindString("Do gophers live in golang.org?") // "golang.org"
rxRelaxed.FindString("This string does not have a URL") // ""
rxStrict := xurls.Strict()
rxStrict.FindAllString("must have scheme: http://foo.com/.", -1) // []string{"http://foo.com/"}
rxStrict.FindAllString("no scheme, no match: foo.com", -1) // []string{}
}
Since API is centered around regexp.Regexp, many other methods are available, such as finding the byte indexes for all matches.
Note that calling the exposed functions means compiling a regular expression, so repeated calls should be avoided.
cmd/xurls
To install the tool globally:
cd $(mktemp -d); go mod init tmp; GO111MODULE=on go get mvdan.cc/xurls/v2/cmd/xurls
$ echo "Do gophers live in http://golang.org?" | xurls
http://golang.org