package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^(?:[^:\n]+://)?[^/\n]+(?:(?:/[^/\n]+)*?/[^/.\n]+)?$`)
var str = `www.mysite.com
http://www.example.com
www.mysite.com/page
http://www.mysite.com/doc1/doc2/page
http://www.mysite.com/page/
http://www.mysite.com/dir1/dir2/file.php
http://www.mysite.com/file.jpg
www.mysite.com/file.html
www.mysite.com/file.doc`
var substitution = "\g<0>/"
fmt.Println(re.ReplaceAllString(str, substitution))
}
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/