package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)((?:(?:ht|f)tps?:\/\/|www)[^\s,?!]+(?!.*<\/a>))`)
var str = `http://www.example.com
http://www.example.com/test
http://example.com/test
www.example.com/test
https://www.example.com
<a href="http://www.example.com">http://www.example.com </a>
<a href="http://www.example.com/test">http://www.example.com/test </a>
<a href="http://example.com/test">http://example.com/test </a>
<a href="www.example.com/test">www.example.com/test </a>
<a href="www.example.com/test"><img src="www.example.com/test,jpg" /></a>`
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/