package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?im)^(?:(?<scheme>[^:\/?#\n]+):(?=\D))?(?:(?:\/\/)?(?:(?:(?<user>[^:\n]*)(?::(?<pass>[^@\n]*))?@)?(?:(?<=.)(?<host>[^[\/:?#\n]+|\[[^]\n]+])(?::(?<port>[^\/:?#\n]+)?)?|(?<host2>(?&host)):(?<port2>(?&port)))|(?<=\/\/)\/)?)?(?<path>[^?#\n]*)(?<query>\?[^#\n]*)?(?<fragment>#.*)?$`)
var str = `http://user:pass@test.com:8080/example?query#anchor
localhost:8001/test
file:///C:/temp/file.txt
//host:2/path
http://www.foo.com#
scheme:path
ssh://git@github.com`
for i, match := range re.FindAllString(str, -1) {
fmt.Println(match, "found at index", i)
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Golang, please visit: https://golang.org/pkg/regexp/