package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?mi)\s((http(s)?\:\/\/[a-zA-Z0-9\-\.]+\.)(com|org|net|mil|edu|))`)
var str = `click on http://www.google.com
click onhttp://www.google.com`
var substitution = "<a href="$2">$2<a/>"
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/